If the population size in a research is 80 units and the sample size is one-forth the population size,the selection interval is _____.
A)16
B)1/4
C)-60
D)60
E)4

Question

Quizplus · Accepted Answer

The selection interval is calculated by dividing the population size by the sample size. Here, the sample size is one-fourth of the population size (80), which means the sample size is 80 / 4 = 20. Therefore, the selection interval is 80 / 20 = 4.

If the Population Size in a Research Is 80 Units