Question

37. Sampling error decreases with the
(A) Process of analysis
(B) Process of randomization
(C) Increase in sample
(D) Decrease in samples
3. Reports must always be.
(A) All of these
(B) clear
(C) concise
(D) accurate
39. Regression between two variables is determined by
(A) Dispersion
(1) Correlation
(C) Mean
(D) Regression
40. Random sampling is helpful as it is
(A) All of these
(B) An economical method of
Reasonably accurate
(D) Free from personal bases​

Answer 1

Answer:

A,d,A,C

Explanation:

37A

38D

39A

40C

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