When comparing two means, the situation most likely to lead to a result that is statistically significant but of little practical importance is
A) when the actual difference is large and the sample sizes are large.
B) when the actual difference is large and the sample sizes are small.
C) when the actual difference is small and the sample sizes are large.
D) when the actual difference is small and the sample sizes are small.

Question

Quizplus · Accepted Answer

When the actual difference between two means is small but the sample sizes are large, statistical tests are more likely to detect a difference, leading to statistical significance. However, the small actual difference may not be practically important or meaningful in real-world applications.

When Comparing Two Means, the Situation Most Likely to Lead