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
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