Suppose that on a 100-point test, my goal is for my students exam scores to have a

Question:

Suppose that on a 100-point test, my goal is for my students’

exam scores to have a standard deviation of less than 10 points. A recent sample of 22 exams has a sample standard deviation of 12.1.

a. Test whether my goal was achieved using a = 0.05.

b. Verify your results using PHStat.

c. Interpret the p-value obtained from the software.

AppendixLO1

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

Step by Step Answer:

Related Book For  book-img-for-question

Business Statistics

ISBN: 9780133852288

2nd Edition

Authors: Robert A Donnelly, Robert Donnelly Jr

Question Posted: