Chapter 1, Problem 20P

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9th Edition

Frederick J Gravetter + 2 others

ISBN: 9781337098120

Textbook Problem

For the following set of scores, find the value of each expression:

**a.**Σ*X***b.**(Σ*X*)^{2}**c.**Σ*X*^{2}**d.**Σ(*X*+3)

**a.**

To determine

**To Find:** The value of

Explanation

**Given info:**

The values of scores X are –2, –2, 7, –3 and –1.

**Calculation:**

*X* represents first scores and

**Software procedure:**

Step-by-step procedure to obtain the

- Go to
**Variable View>**Enter the name of the variable as**X.** - Go to
**Data View**>Enter the values of**X.** - Choose
**Analyze > Descriptive Statistics>**choose**Descriptive.** - Select
**X**and move it under**variable(s)>**Choose**Options>**Select**Sum**

**b.**

To determine

**To Find:** The value of

**c.**

To determine

**To Find:** The value of

**d.**

To determine

**To Find:** The value of

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