   Chapter 3, Problem 14P Essentials of Statistics for The B...

9th Edition
Frederick J Gravetter + 2 others
ISBN: 9781337098120

Solutions

Chapter
Section Essentials of Statistics for The B...

9th Edition
Frederick J Gravetter + 2 others
ISBN: 9781337098120
Textbook Problem

A sample of n – 6 scorns has a mean of M = 14. After one new score is added, the new sample has a mean of 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 6 scores.

Explanation

Given info:

A sample of 6 scores has a mean 14. After a new score is added, the new mean is 12.

Calculations:

The formula for the mean is:

M=XnX=Mn

Substitute M=14,n=6 in the formula.

X=6×14=84

Let the value of new score added be x

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