Question

in case thr data were collected on the basis of sample the users should satisfy themselves regarding
a) adequacy of sample
b) use of proper sampling technique
c) collection of data by trained , experienced and unbiased investigator
d) all of the above​

Answer 1

Answer:

Correct option is (D) All of above

Explanation:

In case the data were collected on the basis of sample, the users should satisfy themselves regarding the following:

a) adequacy of sample

b) use of proper sampling technique

c) collection of data by trained, experienced and unbiased investigator