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1. ______ result from a certain segment of the population being missed from the data collection

A

Processing errors

B

Sampling errors

C

Coverage errors

D

Response errors

2. If both the data sets move in the same direction, then it is a case of __

A

negative correlation

B

positive correlation

C

balanced correlation

D

unbalanced correlation

3. In a moderately skewed distribution, the average monthly income from interest for a housewife is Rs. 810/- and the related median is Rs. 795/-. Calculate modal interest income.

A

Rs. 804

B

Rs. 765

C

Rs. 756

D

Rs. 840

4. A box contains 3 footballs, 4 cricket balls and 5 volley balls. Three balls are drawn in succession with replacement. What is the probability that all are volley balls?

A

225/1331

B

125/1728

C

5/12

D

25/144

5. In collection and tabulation of data, common sense is the ___

A

chief requisite

B

pilot requisite

C

pilot teacher

D

chief teacher

6. A contractor employs three type of workers – A, B and C. To A he pays Rs. 300/- per day, to B Rs. 250/- per day and to C Rs. 140/- per day. Calculate the average wage per day paid by the contractor.

A

Rs. 345/- per day

B

Rs. 435/- per day

C

Rs. 320/- per day

D

Rs. 230/- per day

7. If a researcher studies the association between religion, then the data collected for this study will be ____

A

quantitative data

B

qualitative data

C

cross-sectional data

D

continuous data

8. The given set of class frequencies is said to be consistent if none of them is ___

A

positive

B

one

C

negative

D

zero

9. The death rate specific to age and sex overcomes the drawback of __

A

Total Mortality Rate

B

Crude Death Rate

C

Standardised Mortality Rate

D

Infant Mortality Rate

10. What is the value of P(1) corresponding to the polynomial P(x) passing through the points (2, 4) and (3, 5)?

A

2

B

4

C

3

D

6

11. The method of weighted relatives is also known as ___

A

chain index method

B

aggregate expenditure method

C

circular test method

D

family budget method

12. Simple table is also known as __

A

two-way table

B

three-way table

C

one-way table

D

high order table

13. In ratio scale, zero is also mentioned and it has a meaning indicating ___

A

positive

B

negative

C

infinity

D

nil

14. Population ______ refer(s) to how the population is dispersed in geographic space at a given point of time.

A

distribution

B

composition

C

determinants

D

size

15. What is the polynomial passing through the points (1, 3), (2, 5) and (3, 6)?

A

2X2 – 3.5X

B

–0.5X2 + 3.5X

C

0.5X2 – 3.5X

D

X2 – 0.5X

16. Calculate the value of correlation with the help of following data: ∑xy = –283.84, ∑x2 = 152.48 and ∑y2 = 617.56

A

–0.925

B

0.925

C

–0.238

D

0.238

17. Which of the following divide(s) the distribution into four parts?

A

Deciles

B

Median

C

Percentiles

D

Quartiles

18. A fair coin is tossed repeatedly. If tail appears on the first three tosses, then what is the probability of appearance of tail on the fourth toss?

A

1/5

B

1/2

C

1/6

D

1/3

19. A/An ______ questionnaire contains questions with multiple answers

A

Open-ended

B

Dichotomous

C

Close-ended

D

Multiple-choice

20. (ABC), (XBC) etc., are the frequencies of ____

A

second-order

B

zero-order

C

third-order

D

one-order