CA Foundation Question Paper with Solution Sep 2024 - MATHS

Question 1

In which of the following there is no impact of presence of extreme observations?

1. Range
2. Quartile deviation
3. Standard deviation
4. Variance

Answer :

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Question 2

If each observation of a set is divided by 10, then the Standard Deviation of the new observation is:

1. 1th/ 100 of Standard Deviation of original observation
2. 1^th/10 of Standard Deviation of original observation
3. 100 times of Standard Deviation of original observation.
4. 10 times of Standard Deviation of original observation.

Answer :

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Question 3

If the mean and median of a moderately asymmetrical series are 70.8 and 68.6 respectively, then the most probable mode is:

1. 75.2
2. 64.2
3. 63.4
4. 72.5

Answer :

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Question 4

For a moderately. Skewed distribution, which of the following relationship holds?

1. (A) Median-Mode 3 (Mean - Median)
2. (B) Mean-Mode=3 (Mean-Median)
3. (C) Mean-Median 3 (Mean-Mode)
4. (D) Mean Median 3 (Median - Mode)

Answer :

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Question 5

What is the coefficient of range for the observations 20, 28, 32, 41, 48, 60?

1. 20
2. 50
3. 40
4. 200

Answer :

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Question 6

Which one holds correct for any two events A and B 7

1. P(A-B) = P(A) - P(ΑΠΒ)
2. P(A-B)= P(A)-P(B)
3. P(A-B) = P(B) - Ρ(Α∩Β)
4. P(A-B) = P(B) + P(A∩B)

Answer :

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Question 7

The Standard Deviation of the series 3, 6, 9, 12, 15 is:

1. 6.36
2. 4.24
3. 4.12
4. 3.28

Answer :

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Question 8

The quartile deviation of the distribution of the following data is:

x	2	3	4	5	6
f(x)	2	4	8	4	1

1. 1
2. 0
3. 1/4
4. 1/2

Answer :

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Question 9

Which of the following pairs pairs of events are mutually exclusive ?

1. A: Archna was born in India. B: She is a fine lawyer.
2. A: The student studies in a school. B: He studies Geography.
3. A: Sita is 16 years old. B: She is a good folk dancer.
4. A: Imran is under 15 years of age. B: He is a voter of Delhi.

Answer :

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Question 10

The probability of success of three students in CA Foundation examination are 1/5, 1/4 and 1/3 respectively. Find the probability that at least two students will get success.

1. 3/4
2. 2/5
3. 1/6
4. 1/5

Answer :

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Question 11

If P(A)=0.65 and P(B)=0.15, then P(A) + P(B) is:

1. 1.2
2. 0.8
3. 1.5
4. 0.35

Answer :

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Question 12

Eight labourers are working at a each day of working (in 2): following wages for each day of working (in ₹):

500, 620, 400, 700, 450, 560, 320, 450

If one of the workers is selected at what is the probability that his wage would be less than the average wage?

1. 0.375
2. 0.625
3. 0.500
4. 0.450

Answer :

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Question 13

A box contains shoc pairs of same pattern of different sizes numbered from 1 to 12. If a shoc pair is selected at random, what is the probability that the number on the shoe pair will be a multiple of 5 or 6?

1. 0.25
2. 0.20
3. 0.33
4. 0.375

Answer :

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Question 14

Two cards are drawn at random from a pack of 52 cards. The probability of getting either both the red cards or both Kings cards is

1. 0:4288
2. 0.2488
3. 0.8248
4. 0.8428

Answer :

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Question 15

In a class of 100 students, the mean marks was 50 with standard deviation 14.9. Assuming the distribution of marks to be normal, find the number of students who obtained more than 70% marks [at z = 1.34 area=0.4099].

1. 9
2. 8
3. 10
4. 7

Answer :

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Question 16

If a random variable X follows Poisson distribution such that that P(x - 1) = P(X = 2), then the mean of the distribution is:

1. 1
2. 2
3. 0
4. 1/2

Answer :

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Question 17

The quartile deviation of a normal distribution with Mean of 10 and Standard Deviation of 4 is:

1. 3.20
2. 2.70
3. 0.675
4. 6.75

Answer :

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Question 18

If X and Y are 2 independent normal variables with mean as 10 and 12 and Standard Deviation (S.D.) as 3 and 4 respectively, then (X + Y) distributed is normally

1. Mean = 22 and S.D. = 25
2. Mean = 22 and S.D. = 7
3. Mean = 22 and S.D. = 5
4. Mean = 22 and S.D. =49

Answer :

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Question 19

The number of accidents in a year attributed to taxi drivers in a locality follows Poisson distribution with average 2. Out of 500 taxi drivers of that area, what is the number of drivers with at least 3 accidents in a year? (Given that e = 2.718)

1. 180
2. 162
3. 201
4. 190

Answer :

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Question 20

Which of the following statement is correct?

1. Regression coefficients are independent of origin and scale.
2. Both regression coefficients must be less than unity.
3. The regression lines of two independent variables are parallel to each other.
4. If two regression lines coincide with each other, there is no correlation between the variates.

Answer :

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Question 21

Which, one of the following statement is correct regarding limit regression of the two regression coefficients?

1. Must be positive.
2. No limit.
3. One positive and the other negative
4. Product of the regression coefficients be numerically less than unity.

Answer :

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Question 22

In case of "Insurance profits" and "The number of claims they have to pay", there exists a:

1. Negative correlation
2. Positive correlation
3. No correlation
4. It cannot be predicted

Answer :

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Question 23

The variance of two variables 'x' and 'y' are 16 and 25 and covariance between 'x' and 'y' is 18.5. Another two variables 'u' and 'v' are defined as u = (x-3)/2 and v = (y-2)/3, then coefficient of correlation between 'u' and 'v' is:

1. 0.875
2. 0.85
3. 0.90
4. 0.925

Answer :

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Question 24

The courses price Index for the year 2021 is 273 with 1010 as base year. The average monthly wages of Industrial worker in year 2023 is ₹ 8,190. What is the real wage?

1. ₹ 3,000
2. ₹ 2,800
3. ₹ 3,200
4. ₹ 3,400

Answer :

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Question 25

Time Reversal test is satisfied by

1. Paasche's method but not Laspeyre's method
2. Laspeyre's method but not Fisher's method
3. Fisher's method
4. Laspeyre's method and Fisher's method

Answer :

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Question 26

The value index is equal to:

1. The total sum of the values of a give the base year. plus the sum of the values of
2. The total sum of the values of a given year multiplies by sum of the values of the base year.
3. The total values of the base year of a given year divided by the sum of the
4. The total sum of the values of a given year minus the sum of the values of the base year.

Answer :

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Question 27

During a certain period the cost of living index goes up from 110 to 200 and the salary of a worker is also raised from the raise in salary is effectively. 330 to 500, then in the real terms,

1. Gain by ₹ 75
2. Gain by ₹ 50
3. Loss by ₹ 90
4. Loss by ₹ 50

Answer :

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Question 28

Which one of the following test of adequacy is concerned with the measurement of price changes over a period of years, when it is desirable to shift the base?

1. Time Reversal test
2. Unit test
3. Circular test
4. Factor Reversal test

Answer :

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Question 29

What is the value for (x^b/ x^c)^{(b + c - a)} × (x^c/ x^a)^{(c + a - b)} × (x^a/ x^b)^{(a + b - c)}

1. x^(a+b+c)
2. x^abc
3. -1
4. 1

Answer :

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Question 30

A number consists of two digits. The digits in the ten's place is 3 times the digit in the unit's place. If 54 is subtracted from the number, then the digits are reversed. The number is:

1. 62
2. 39
3. 93
4. 31

Answer :

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Question 31

A person purchased 2 apples and 5 bananas banana, I can give you 3 apples. He apple and one banana? to another shop where shopkeeper told him that if you give me 50 and one of 90. Later he visited the cost of one apple and one banana?

1. (10,15)
2. (15,10)
3. (10,20)
4. (20,10)

Answer :

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Question 32

The ratio of income of A and B is 5 : 4 and their expenditure is 3 : 2. If at the end of year each saves ₹1,600, then the income of A is:

1. ₹ 3,600
2. ₹ 3,400
3. ₹ 4,000
4. ₹ 4,400

Answer :

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Question 33

The mean proportional between 12x² and 27y² is:

1. 81xy
2. 18xy
3. 8xy
4. 19.5xy

Answer :

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Question 34

log₂ log₂ log₄ 256 + 2  log √2 2 is equal to:

1. 3
2. 2
3. 5
4. 7

Answer :

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Question 35

A dietician recommends mixture of two kinds of foods to a person so that mixture contains at least 45 units of carbs, 25 units of protein, 15 units of fat and 15 units of fibre. The above contents of nutrients are available in the foods as below:

	Carbs	Protein	Fat	Fibre
Food - 1	20	5	3	2
Food - 2	10	2	4	5

If 'r' units of food-1 is mixed with 'y' units of food-2, how dietician recommendation can be   expressed?

1. 20x + 10y <= 25; 5x + 2y >= 45; 3x + 4y <= 15; 2x + 5y >= 15; x >= 0; y >= 0;
2. 20x + 10y <= 45; 5x + 2y >= 25; 3x + 4y <= 15; 2x + 5y >= 15; x >= 0; y >= 0;
3. 20x + 10y >= 45; 5x + 2y >= 25; 3x + 4y >= 15; 2x + 5y >= 15; x >= 0; y >= 0
4. 20x + 10y <= 45; 5x + 2y <= 25; 3x + 4y <= 15; 2x + 5y <= 15; x >= 0; y >= 0

Answer :

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Question 36

If one of the root of the equation x then the value of 'k' is:

1. 1
2. 2
3. -2
4. -1

Answer :

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Question 37

If one of the root of the cubic equation 3x ^ 3 - 5x ^ 2 - 11x - 3 = 0 is - 1/3 other two roots are:

1. -1 & 3
2. 1 & 3
3. 1 \&-3
4. -1 &-3

Answer :

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Question 38

The shaded area is represented by which of the following option?

1. x + y < 6; 2x - y > 0; x < 0
2. x + y > 6; 2x - y > 0; x > 0
3. x + y > 6; 2x - y < 0; x > 0
4. x + y > 6; 2x - y > 0; x < 0

Answer :

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Question 39

The value of a machine depreciates every year at the rate of 10% per annum, on its value at the beginning of that year, If the present value of the machine is 72,900, then machine's worth 3 years ago was:

1. ₹ 80,000
2. ₹ 94,710
3. ₹ 1,00,000
4. ₹ 75,087

Answer :

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Question 40

What is the effective rate of interest when principal amount of ₹ 50,000 deposited in a nationalized bank for one year, corresponding to a nominal rate of interest 6% per annum payable half yearly ?

1. 6.07%
2. 6.06%
3. 6.08%
4. 6.09%

Answer :

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Question 41

Kanta wants to accumulate ₹ 4,91,300 in her saving accountafter three years. The rate of interest offered by bank is 6(1/4)% per annum compounded annually. How much amount should she invest today to achieve her target amount?

1. ₹ 4,37,500
2. ₹ 4,09,600
3. ₹ 46,900
4. ₹ 49,600

Answer :

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Question 42

The sum required to earn a monthly  interest of ₹ 1,200 at 18% per annum simple interest is:

1. ₹ 60,000
2. ₹ 50,000
3. ₹ 80,000
4. ₹ 66,000

Answer :

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Question 43

The compound interest on ₹ 40,000 at 12% per annum compounded quarterly for 6 months is:

1. ₹ 2,463
2. ₹2,643
3. ₹ 2,364
4. ₹ 2,436

Answer :

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Question 44

At a certain rate of interest per annum, the difference between the compound interest and simple interest on ₹ 3,00,000 for two years is 480, then the rate of interest per annum is:

1. 4%
2. 2%
3. 6%
4. 8%

Answer :

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Question 45

What is de prof ₹ 1,000 to be received after two you compoundest annually at 10% imerest rate?

1. ₹ 826
2. ₹ 500
3. ₹ 836
4. ₹ 835

Answer :

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Question 46

Mr. x makes a deposit of ₹ 12,000 in a bank where the amount doubles at compound interest in 5 years, then what will be the total amount he will have 46. Mr. X makes a after twenty years?

1. ₹ 1,20,000
2. ₹ 96,000
3. ₹ 1,24,000
4. ₹ 1,92,000 

Answer :

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Question 47

The Earming Per Share (EPS) of a company for five years is given below:

Year	2019	2020	2021	2022	2023
EPS	40	25	40	60	90

Calculate the Compounded Annual Growth Rate (CAGR) of EPS.

1. 23.47%
2. 24.47%
3. 22.47%
4. 21.47%

Answer :

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Question 48

In an account paying interest @9% per year compounded monthly, ₹ 200 is invested at the end of each month. What is the future value of this annuity after 10 payment?

{Where (1.0075)¹⁰ - 1.0775}

1. ₹ 2,066
2. ₹ 1,022
3. ₹ 2,044
4. ₹ 2,155

Answer :

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Question 49

A Perpetuity has a cash flow of f 625 and a required rate of return of 8%. If the cash flow is expected rate of 4% per year, then the ta constant intrinsic value of this perpetuity (presens value of growing perpetuity) is: to grow at a

1. ₹ 13,000
2. ₹ 15,625
3. ₹ 14,250
4. ₹ 16,667

Answer :

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Question 50

What is the annual contribution required by an organization to accumulate ₹20,00,000 in ten years for the construction of a new manufacturing plant, utilizing a sinking fund with an annual interest rate of 6% compounded interest annually?

(Where A (10, 0.06)-13.180785)

1. ₹ 1,67,440.90
2. ₹ 1,51,736.03
3. ₹ 1,75,433.60
4. ₹ 1,83.714.28

Answer :

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Question 51

An investor intends to purchase a three year ₹ 1,000 par value bond having nominal interest rate of 10%. At what price the bond may be purchased now, if it matures at par and the investor requires a rate of return of 14%?

1. ₹ 907.125
2. ₹ 904
3. ₹ 905.25
4. ₹ 909

Answer :

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Question 52

A loan of ₹ 16,550 is to be paid in three equal annual instalments at compound interest. The value of annual instalment, if the rate of interest is 10% per annum is:

1. ₹ 1,243
2. ₹ 6,655
3. ₹ 6,565
4. ₹ 1,343

Answer :

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Question 53

A selection is to be made for one post of Principal and two posts of Vice - Principal. Amongst the six candidates called for the interview, only two are eligible for the post of Principal, while they all six are eligible for the post of Vice-Principal. The number of possible combinations for the selection is:

1. 12
2. 4
3. 18
4. 20

Answer :

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Question 54

A roadside tea stall merchant borrows ₹ 9,000 at 2.76% Simple Interest per annum. The principal and the interest are to be paid in 10 monthly instalments. If each instalment is double than the preceding one, find the value of the last instalment.

1. 4,608
2. 1,024
3. 9,207
4. 4,096

Answer :

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Question 55

In a class of 4 boys and 3 girls, they are required to sit in a row in such a way that no two girls can sit together. Compute in how many different ways they can sit together.

1. 480
2. 60
3. 720
4. 1,440

Answer :

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Question 56

How many total combinations can be formed 1 of 8 different counters marked as 1. 2. 3. 4. 5. 6. 7 & 8, taking 4 counters at a time and there being at least one odd and one even numbered counter in each combination?

1. 66
2. 68
3. 64
4. 62

Answer :

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Question 57

In a party every person shakes hands with every other person. If there are 105 handshakes in total, find the number of persons in the party.

1. 15
2. 14
3. 21
4. 22

Answer :

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Question 58

Let A = {1, 2, 3} and consider the relation R={(1, 1), (2, 2), (3, 3) , (1, 2), (2, 3), (1, 3)}, then R is

1. (A) Reflexive but not symmetric
2. (B) Reflexive but not transitive
3. (C) Symmetric and Transitive
4. (D) Neither symmetric nor transitive

Answer :

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Question 59

If f(x) = x² + x - 1 and 4f(x) = f(2x) then find the value of 'x'

1. 2/3
2. 3/2
3. 3/4
4. 4/3

Answer :

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Question 60

If for an infinite geometric progression, first term is 'a', common ratio is 'r', the sum is 8 and the second term is ‘7/8’, then:

1. a = 4 & r = 7/16
2. a = 3 & r = 7/24
3. a = 7 & r = 1/8
4. a = 2 & r = 7/32

Answer :

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Question 61

The numbers x, 8. y are in G.P. and the numbers x, y, -8 are in A.P. The values of x and y respectively shall be:

1. 4,16
2. 16,4
3. 4,8
4. 8,4

Answer :

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Question 62

If fourth term of A.P. series is zero, then what is the ratio of twenty-fifth term to eleventh term ?

1. 4
2. 5
3. 3
4. 2

Answer :

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Question 63

If x = t² and y = t³, then (d²y)/(dx²) is equal to

1. 3/4t
2. 3t/2
3. 3/2t
4. 3/2

Answer :

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Question 64

dx is equal to:

1. x log_e(x/e) + c
2. x log_e(ex)  + c
3. x log_e(e/x) + c
4. x log_e(x/e) + c

Answer :

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Question 65

If a set contain n elements, then the total number of proper subsets of set is:

1. 2ⁿ - 1
2. 2ⁿ
3. 2^{n – 1}
4. 2^{n - 2}

Answer :

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Question 66

A town has a total population of 50,000. Out of it 28,000 read the newspaper 'X' and 23,000 read newspaper 'Y', while 4,000 read both the newspapers. The number of persons not reading any of the two newspapers are:

1. 3,000
2. 2,000
3. 2,500
4. 5,000

Answer :

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Question 67

If x^y × y^x = 16 then the value of dy/dx at (2, 2) is:

1. 0
2. -1
3. 2
4. -2

Answer :

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Question 68

Find the odd man out from the following series: 7, 23, 47, 119, 171, 287

1. 171
2. 119
3. 287
4. 7

Answer :

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Question 69

In a certain code, RIPPLE is written as 613382 and LIFE is written as 8192. How is PILLER written in that code?

1. 318286
2. 318826
3. 618826
4. 338816

Answer :

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Question 70

AZ, GT, MN,....., YB, EV. The value at blank (…..) space will be:

1. SH
2. JH
3. SK
4. TS

Answer :

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Question 72

Find the next number in the series 2, 5, 11, 23, 47...

1. 95
2. 84
3. 98
4. 105

Answer :

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Question 73

If TAP is coded as SZO in a language, then how is FRIEND coded in same language?

1. QEDHCM
2. CMDHQE
3. EQIENE
4. EQHDMC

Answer :

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Question 74

One morning after sunrise, A and B were talking to each other face to face very closely at a crossing point. If B's shadow was exactly to the right of A, in which direction B was facing?

1. West
2. East
3. North
4. South

Answer :

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Question 75

In a multi-storey building on one floor there are six flats in two rows facing East and West and they are allotted to A, B, C, D, E, and F. B gets an East facing flat, which is not next to D. F and D gets diagonally opposite flat. A gets a West facing flat and E gets an East facing Whose flat is between A and F?

1. (A) C
2. (B) B
3. (C) D
4. (D) F

Answer :

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Question 76

Balkrishna is Ritik's neighbour and his house is 200 meters away in the north- west direction from Ritik's house. Jayendra is Ritik's neighbour and his house is located 200 meters away in the south-west direction from Ritik's house. Girdhari is Jayendra's neighbour and he stays 200 meters away in the south- east direction from Jayendra's house. Ritik is Girdhari's neighbour and his house is located 200 meters away in north-east direction from Girdhari's house. Then where is the position of titik's house in relation to Balkrishna's?

1. South-West
2. South-East
3. North
4. North-East

Answer :

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Question 77

If Ajay stands on his head with his face towards North, in which direction will his left hand point?

1. North
2. North-East
3. East
4. North-West

Answer :

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Question 78

If Kiran put her time-piece on the table in such a way that at 6:00 PM, hour hand points to East. In which direction the minute hand will be at 9:30 PM?

1. North-West
2. South-East
3. East
4. West

Answer :

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Question 79

Six persons A, B, C, D, E and F are siting in a row in a straight line. B is between F & D. E is between A & C. A does not sit next to F or D.C does not sit next to D. F is between which of the following person?

1. B & C
2. B & E
3. B & D
4. B & A

Answer :

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Question 80

In a school cultural committee meeting four girls Dipti, Aruna, Chandra, Bindu and four boys Gautam, Faneesh, Harendra, Eshaan are sitting in a circle around a table, facing each other as under:

(i) No two girls or boys are sitting side by side.

(ii) Chandra, who is sitting between Gamam and Eshaan, is facing Dipti.

(iii) Faneesh is between Dipti and Arundland facing Gautam.

(iv) Harendra is to the right of Bindu.

Identify the person whom Eshaan is facing.

1. Bindu
2. Faneesh
3. Gautam
4. Harendra

Answer :

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Note: Read the following information carefully and answer the questions (81 to 82) given below:

Six persons B, D, C, M, J and K are split into groups of three each and are made to stand in two rows in such a way that a person in one row is exactly facing a person in the other row. M is not at the ends of any row and is to the right of J, who is facing C. K is to the left of D who is facing M.

Question 81

Which of the following persons are in the same row?2

1. BMJ
2. BDC
3. MJK
4. MJD

Answer :

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Question 82

Who is to the immediate left of B?

1. J
2. M
3. D
4. K

Answer :

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Question 83

During an interview, seven applicants sitting in tow are awaiting their turn. Chandresh is sitting left to to Kuldeep but on the right to Diksha, Reshma is sitting right to Kuldeep, Priyanka is sitting right to Gayatri but left to Diksha. Himani is sitting left to Gayati. The person sitting in the middle must be:

1. Diksha
2. Chandresh
3. Gayatri
4. Priyanka

Answer :

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Question 84

A is B's Father C is B's mother. D is C's Son bis A's mother. Then how is A related to D?

1. (A) Grandson
2. (B) Uncle
3. (C) Granddaughter
4. (D) Father

Answer :

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Question 85

Pointing to a man in photograph, a woman said "The father of his brother is only son of my grandfather", then how is that woman related to the man in photograph?

1. Sister
2. Daughter
3. Mother
4. Aunty

Answer :

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Question 86

The Secondary data is collected by:,

1. Observation method.
2. International source like World Bank.
3. Interview method.
4. Mailed questionnaire method.

Answer :

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Question 87

Exit polls are an example of which method of collecting data?

1. Investigation
2. Random sampling
3. Census
4. Quota sampling om

Answer :

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Question 88

A family consists of six members P, Q, R, S, T & U. There are two married couples. Q is a doctor and father of T; U is grandfather of R and is a contractor, S is grandmother of T and is a house-wife. There is one doctor, one contractor, one Professor, one house-wife and two students in the family. Find who is the husband of P.

1. S
2. T
3. R
4. Q

Answer :

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Question 89

P is the son of Q while Q & R are sisters to one another. T is the mother of R. If S is son of T, how S is related to P? Q-R-

1. Cousin
2. Brother
3. Maternal uncle
4. Nephew

Answer :

Coming Soon

 

Question 90

Sandhya is the daughter-in-law of Shailesh and sister-in-law of Rajan. Manak is son of Shailesh and only brother of Rajan. Then, how Sandhya is related to Manak?

1. Aunty
2. Sister-in-law
3. Cousin
4. Wife

Answer :

Coming Soon

 

Question 91

The Ogive can be used for making

1. medium term projection
2. short term projection
3. long term projection
4. group frequency distribution

Answer :

Coming Soon

 

Question 92

Numerical data presented in descriptive form are called:

1. Tabular presentation
2. Classified presentation
3. Textual presentation
4. Graphical presentation

Answer :

Coming Soon

 

Question 93

The distribution of commuters coming to a Metro station from early morn hours to peak morning hours follows which type of of frequency curve?

1. J-shaped curve
2. Bell shaped curve
3. U-shaped curve
4. Mixed curve

Answer :

Coming Soon

 

Question 94

What is the range of a de a set?

1. The difference between the mean and median of the data set
2. The difference between the highest and lowest values in the data set
3. The number of data points in the data set
4. The standard deviation of the data set

Answer :

Coming Soon

 

Question 95

Series in which frequencies are continuously added corresponding to class interval in the series:

1. Cumulative frequency series
2. Frequency
3. Deviation
4. Mid value

Answer :

Coming Soon

 

Question 96

The mean of a group X is 70 and the mean of group Y is 85. If the number of observations in group Y is five times that of group X, then the combined mean of both the groups is

1. 80
2. 75
3. 77.5
4. 82.5

Answer :

Coming Soon

 

Question 97

The Median of the following frequency distribution is:

x	0-10	10-20	20-30	30-40	40-50
f(x)	8	30	40	12	10

 

1. 22.5
2. 33
3. 23
4. 24

Answer :

Coming Soon

 

Question 98

What type of data is most appropriate presenting using a Pie chart?

1. Categorical data
2. Continuous data
3. Ordinal data
4. Interval data

Answer :

Coming Soon

 

Question 99

If the class intervals boundaries is data are 10-14, 15-19, 20-24, then the first class

1. 10-14
2. 9.5-14.5
3. 10-15
4. 10.5-15.5

Answer :

Coming Soon

 

Question 100

What is the purpose of stratified random sampling?

1. To divide the population into subgroups and then randomly sample from each subgroup
2. To ensure that every individual in the population has an equal chance of being selected
3. To select individuals based on their availability and convenience.
4. To select a fixed percentage of the population without any specific criteria.

Answer :

Coming Soon