As a rough guideline,there should be at least ________ times as many observations (sample size)as there are variables.
A)two or three
B)three or four
C)four or five
D)five or six

Question

Quizplus · Accepted Answer

This guideline is known as the "rule of thumb" for determining the appropriate sample size for statistical analysis. It suggests that there should be at least four or five times as many observations as there are variables to ensure that the analysis is robust and valid. A smaller sample size may lead to inaccurate or unreliable results.

As a Rough Guideline,there Should Be at Least ________ Times