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Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
ISBN: 9781133956570

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Chapter
Section
BuyFindarrow_forward

Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
ISBN: 9781133956570
Textbook Problem

Find each of the following values for the sample in the following frequency distribution table.

a.    n

b.    ΣX

c.    ΣX2

X f
5 1
4 2
3 2
2 4
1 I

(a)

To determine

To find: The value of n in the frequency distribution.

Explanation

Given info:

The given frequency distribution is,

X f
5 1
4 2
3 2
2 4
1 1

Calculation:

The formula of n is,

n=i=1n

(b)

To determine

To Find: The value of sum of X in the frequency distribution.

(c)

To determine

To Find: The value of the sum of squares of X in the frequency distribution.

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