Introductory Statistics 9th Edition

Published by Wiley
ISBN 10: 1-11905-571-7
ISBN 13: 978-1-11905-571-6

Chapter 7 - Section 7.3 - Shape of the Sampling Distribution of x - Exercises - Page 288: 7.18

Answer

1. The mean of $\bar{x}\ $, $\mu$ _${\bar{x}}$, is equal to the mean of the population , $\mu$ . 2. The standard deviation of $\bar{x}\ $,σ_ $\bar{x}\ $, is equal to $ σ/ \sqrt n $, assuming n/N $\leq$ .05.

Work Step by Step

1. The mean of $\bar{x}\ $, $\mu$ _${\bar{x}}$, is equal to the mean of the population , $\mu$ . 2. The standard deviation of $\bar{x}\ $,σ_ $\bar{x}\ $, is equal to $ σ/ \sqrt n $, assuming n/N $\leq$ .05.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.