A music teacher claims that the mean scores on a music assessment test for eighth grade boys

Question:

A music teacher claims that the mean scores on a music assessment test for eighth grade boys and girls are equal. The mean score for 13 randomly selected boys is 142 with a standard deviation of 49 , and the mean score for 15 randomly selected girls is 156 with a standard deviation of 42 . At \(\alpha=0.1\), can you reject the teacher's claim? Assume the populations are normally distributed and the population variances are equal.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Elementary Statistics Picturing The World

ISBN: 9781292260464

7th Global Edition

Authors: Betsy Farber, Ron Larson

Question Posted: