Chapter 3, Problem 18P

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8th Edition

Frederick J Gravetter + 1 other

ISBN: 9781133956570

Textbook Problem

A sample of *n* = 9 scores has a mean of *M =* 13. After one score is added to the sample, the mean is found to be *M* = 12. What is the value of the score that was added?

To determine

**To Find:** The value of new score which is added to an original sample of 9 scores.

Explanation

**Given info:**

A sample of 9 scores has a mean 13. After a new score is added, the new mean is 12.

**Calculation:**

The formula for the mean is:

Substitute

Sect-3.2 P-1LCSect-3.2 P-2LCSect-3.2 P-3LCSect-3.2 P-4LCSect-3.2 P-5LCSect-3.2 P-1LCASect-3.2 P-2LCASect-3.2 P-3LCASect-3.2 P-4LCASect-3.3 P-1LC

Sect-3.3 P-2LCSect-3.3 P-3LCSect-3.5 P-1LCSect-3.6 P-1LCSect-3.6 P-2LCSect-3.6 P-3LCSect-3.6 P-4LCCh-3 P-1PCh-3 P-2PCh-3 P-3PCh-3 P-4PCh-3 P-5PCh-3 P-6PCh-3 P-7PCh-3 P-8PCh-3 P-9PCh-3 P-10PCh-3 P-11PCh-3 P-12PCh-3 P-13PCh-3 P-14PCh-3 P-15PCh-3 P-16PCh-3 P-17PCh-3 P-18PCh-3 P-19PCh-3 P-20PCh-3 P-21PCh-3 P-22PCh-3 P-23PCh-3 P-24PCh-3 P-25PCh-3 P-26PCh-3 P-27P

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