Lecturer Statistics Solved MCQS Past Papers pdf for kppsc and ppsc exams test preparation

1.Sampling is a.

A. Formula

B. Result

C. Variable

D. Technique

ANSWER: D

2.The numerical value calculated from population data is called.

A. Statistic

B. Parameter

C. Estimate

D. Estimation

ANSWER: B

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3.The value estimated from sample data is known as.

A. Estimate

B. Parameter

C. Estimation

D. Statistic

ANSWER: D

4.A statistical population is defined as.

A. Totality of all individuals

B. Element

C. Unit

D. Set

ANSWER: A

5.A set of n sampling units selected from a population is called.

A. A sample of size n

B. Sampling element

C. Sample

D. Unit

ANSWER: A

6.A population can be either.

A. Finite and infinite

B. Constant

C. Variable

D. Fixed

ANSWER: A

7.A definite statistical plan concerned with all steps taken in the selection of a sample.

A. Sampling frame

B. Sampling design

C. Sampling element

D. Sampling unit

ANSWER: B

8.A complete list or a map that contains all the N sampling units in a population is called.

A. Sampling frame

B. Sampling design

C. Domain of study

D. Sub set of population

ANSWER: A

9.Sampling methods are divided into.

A. Two main categories

B. Three main categories

C. Four main categories

D. None of the above

ANSWER: A

10.Samples may be selected.

A. With and without replacement

B. With replacement only

C. Without replacement only

D. None of the above

ANSWER: A

11.The difference between sample mean and population parameter is called.

A. Standard deviation

B. Standard error

C. Sampling error

D. Random error

ANSWER: C

12.Standard deviation measures the variation found in.

A. Sample data

B. Population data

C. Sampling distribution

D. Random error

ANSWER: B

13.Standard error measures the variability in.

A. Population

B. Sample

C. Survey

D. Estimation

ANSWER: B

14.Stratified random sampling and simple random sampling are.

A. Probability sampling techniques

B. Non probability sampling techniques

C. Same

D. None of the above

ANSWER: A

15.Simple random sampling is a.

A. Probability sampling technique

B. Non probability sampling technique

C. Quota sampling

D. Stratified random sampling

ANSWER: A

16.When each element in the population has equal chance of selection is called.

A. Stratified random sampling

B. Simple random sampling

C. Quota sampling

D. Systematic sampling

ANSWER: B

17.Cluster sampling and systematic sampling are.

A. Same

B. Different

C. Probability sampling techniques

D. None of the above

ANSWER: C

18.Estimation is a.

A. Formula

B. Result

C. Process

D. None of the above

ANSWER: C

19.Estimate is a.

A. Result

B. Formula

C. Procedure

D. None of the above

ANSWER: A

20.Which of the following is a necessary condition for using a t-distribution table.

A. N is small

B. S is known but sigma is not

C. The population is infinite

D. Both a and b

ANSWER: D

21.A judge acquit an innocent person. It is an example of.

A. Type first error

B. Type second error

C. Correct decision

D. None

ANSWER: C

22.A deserving player is not selected in the team, it is an example of.

A. Type I error

B. Type II error

C. Both

D. None

ANSWER: A

23.Rejecting null hypothesis when it is false.

A. Type I error

B. Type II error

C. Correct decision

D. None

ANSWER: C

24.Accepting null hypothesis when it is true.

A. Type I error

B. Type II error

C. Correct decision

D. None

ANSWER: C

25.A misfit person is not selected for the job.

A. Type I error

B. Type II error

C. Both

D. None

ANSWER: B

26.Power of the test is denoted by.

A. 1- alpha

B. Alpha

C. 1- beta

D. Beta

ANSWER: C

27.The probability of rejecting null hypothesis when it is false.

A. Error

B. Power of the test

C. Type 1 error

D. None

ANSWER: B

28.In a randomized complete block design with four treatments and four blocks, the number of degree of

freedom for error is.

A. 12

B. 9

C. 6

D. 3

ANSWER: B

29.In a Latin square design with four treatments allocated to a 4*4 design, the number of degrees of

freedom for error is.

A. 12

B. 9

C. 6

D. 3

ANSWER: B

30.CRD stands for.

A. Complete randomized design

B. Complete design

C. Compile random design

D. None

ANSWER: A

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