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1. In correlation analysis, coefficient of determination is defined as ______.

A

r2

B

1 – r3

C

1 – r2

D

r3

2. Which of the following tests is satisfied when Pab × Pbc × Pca = 1?

A

Factor reversal test

B

Unit test

C

Circular test

D

Time reversal test

3. What is the polynomial passing through the points (0, 2) and (1, 6)?

A

3x + 5

B

2x + 8

C

4x + 2

D

8x + 3

4. The ______ is that value in a series of observation which occurs with greatest frequency.

A

mode

B

geometric mean

C

median

D

arithmetic mean

5. ______ refers to a set of printed questions along-with space for answers.

A

Personal interview

B

Observation

C

Telephonic interview

D

Questionnaire

6. If the measurements are taken over two different attributes for same set of individuals, then to represent the data ______ are used.

A

distributive tables

B

compiled tables

C

contingency tables

D

dependent tables

7. Data, which were collected earlier for purposes other than the present investigation, are known as ______.

A

confidential data

B

nominal data

C

secondary data

D

primary data

8. In a ______, two or more characteristics are shown

A

simple table

B

special purpose table

C

general purpose table

D

complex table

9. ______ questionnaire is the one in which the purpose of the research is obvious from the questions posed.

A

Close-ended

B

Open

C

Disguised

D

Undisguised

10. Which of the following reveals average relationship between two variables?

A

Regression analysis

B

Measures of dispersion

C

Correlation analysis

D

Measures of central tendency

11. A boy is known to speak truth 2 out of 3 times. He throws a dice and reports that it is a three. What is the probability that it is actually a three?

A

1/7

B

1/5

C

2/7

D

2/5

12. Which of the following tables serve as repository of information and are arranged for easy reference?

A

Simple tables

B

Complex tables

C

General purpose tables

D

Specific purpose tables

13. Given the zero growth of the life table, population is also known as a ______ population.

A

moving

B

dispersed

C

stationary

D

skewed

14. When the data to be collected are very large in volume, then it is possible to draw reasonably accurate conclusions from the study of a small portion of the group. This is called as ______.

A

questionnaire

B

observation

C

population

D

sample

15. ______ consists in relating the total number of live births to the number of females in the reproductive or child bearing ages.

A

Crude Fertility Rate

B

General Fertility Rate

C

Total Fertility Rate

D

Specific Fertility Rate

16. Which of the following scale is used for qualitative phenomena?

A

Ordinal scale

B

Nominal scale

C

Interval scale

D

Ratio scale

17. What is the polynomial passing through the points (1, 0), (2, 5) and (3, 8)?

A

–2x2 + 7x + 8

B

–2x2 + 8x + 10

C

–x2 + 4x + 9

D

–x2 + 8x – 7

18. In which method, sampling frame is required to collect data?

A

Judgemental sampling

B

Simple random sampling

C

Quota sampling

D

Snow ball sampling

19. Closed-ended questions are also known as ______ questions.

A

structured

B

unstructured

C

appropriate

D

one-way

20. A card is drawn at random from a pack of 52 cards. What is the probability that it is a club?

A

1/4

B

1/13

C

1/52

D

1/2