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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

Use summation notation to express each of the following calculations:

  1. a. Add 1 point to each score, and then add the resulting values.
  2. b. Add 1 point to each score and square the result. Then add the squared values.
  3. c. Add the scores and square the sum. Then subtract 3 points from the squared value.

a.

To determine
The summation notation to add 1 point to each score and then add the resulting values.

Explanation

Calculation:

Let X represents the scores.

Then addition of 1 point in each score is represented by X+1.

Let, Y represents the square of sum of all scores in summation notation, then

Y=

b.

To determine
The summation notation to add 1 point to each score, square the result and then add the squared values.

c.

To determine
The summation notation to add the scores, square the sum and then subtract 3 points from the squared value.

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