Question

if we want to determine which treatment means differ, we compute a confidence interval for the difference between each pair of means.
a true
b false

Explanation:

In statistical analysis, when comparing treatment means to see which ones differ, computing a confidence interval for the difference between each pair of means is a valid approach. If the confidence interval for the difference between two means does not contain zero, it indicates a significant difference between the means.

Answer:

A. True