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Essentials of Statistics for the B...

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

Solutions

Chapter
Section
BuyFindarrow_forward

Essentials of Statistics for the B...

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

Identify the first step in each of the following calculations.

a. ΣX2

b.X)2

c. Σ(X–2)2

(a)

To determine

To Find: The first step for the calculation of ΣX2.

Explanation

Given info:

The notation is ΣX2.

Justification:

The notation

(b)

To determine

To Find: The first step for the calculation of (ΣX)2.

(c)

To determine

To Find: The first step for the calculation of (ΣX2)2.

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