A normally distributed population has a μ = 100. After a treatment procedure is implemented to a sample of size n = 36, a sample mean of M = 91 is obtained with a s = 20. Did treatment significantly lower scores? Test at α = .01.

Question

Quizplus · Accepted Answer

The Answer of A normally distributed population has a μ = 100. After a treatment procedure is implemented to a sample of size n = 36, a sample mean of M = 91 is obtained with a s = 20. Did treatment significantly lower scores? Test at α = .01.

A Normally Distributed Population Has a μ = 100