An agricultural experiment will be done to compare the effectiveness of two different soil treatments. Which of the following sample sizes would lead to a test with the lowest power?
A) n = 400
B) n = 100
C) n = 20
D) n = 10

Question

Quizplus · Accepted Answer

A smaller sample size generally leads to a test with lower power because it is less likely to detect a true effect if one exists.

An Agricultural Experiment Will Be Done to Compare the Effectiveness