The maximum distance at which a highway sign can be read is determined for a sample of young people and a sample of older people. The mean distance is computed for each age group. What's the most appropriate null hypothesis about the means of the two groups?
A) The population means are different.
B) The sample means are different.
C) The population means are the same.
D) The sample means are the same.

Question

Quizplus · Accepted Answer

The most appropriate null hypothesis when comparing two groups is typically that there is no difference between the population means of the groups, which means the population means are the same. This serves as a baseline assumption for statistical testing.

The Maximum Distance at Which a Highway Sign Can Be