Chapter 2, Problem 16P

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8th Edition

Frederick J Gravetter + 1 other

ISBN: 9781133956570

Textbook Problem

Find each or the followin.tt values for the distribution shown in the following polygon.

- a. n
- b. ΣX
- c. ΣX
^{2}

a.

To determine

**To Find:** The *n* value for the frequency distribution.

Explanation

**Given info:**

The frequency polygon is given in the question.

**Justification:**

The value of *n* is the sum of frequencies showing in the given frequency polygon. Just add all the frequencies showing by the red dots in the given frequency polygon:

b.

To determine

**To Find:** The

c.

To determine

**To Find:** The

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