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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

For the set of scores at the right, find the value of each expression:

a. ΣX2

b.X)2

c. Σ(X–3)

d. Σ(X–3)2

X
1
6
2
3

a.

To determine

To find: The value of X2.

Explanation

Given info:

X represents the scores. And the scores are 1,6,2 and 3.

Calculation:

X represents the scores Y represents the values when square of each score is done, that is:

Y=X2

Then,

Y=X2

Software procedure:

Step-by-step procedure to obtain the X2 using the SPSS software:

  • Go to Variable View> Enter the name of the variable as X and second variable as Y.
  • Go to Data View>Enter the values of X.
  • Go to Transform>Choose Compute variable>Enter Y in Target Variable
  • Choose X >Move X to Numeric Expression

b.

To determine

To Find: The value of (X)2.

c.

To determine

To Find: The value of (X3).

d.

To determine

To Find: The value of (X3)2.

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