Assume that two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Which distribution is used to
Test the claim that mothers spend more time (in minutes) driving their kids to activities than fathers do?
A) F
B) t
C) chi-square
D) Normal

Question

Quizplus · Accepted Answer

The best choice is the t-distribution as we are comparing means of two independent samples from normally distributed populations and the population standard deviations are not known.

Assume That Two Samples Are Independent Simple Random Samples Selected