Question

4. What is true about sample?
(A) Collection of all individuals or objects under statistical investigation
(B) Part of the population
(C) Requires more money and manpower
(D) All of the above​

Answer 1

In a simple random sample (SRS) of a given size, all subsets of a sampling frame have an equal probability of being selected. Each element of the frame thus has an equal probability of selection: the frame is not subdivided or partitioned.

Answer 2

Explanation:

D) All of the above is correct answer