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Essentials of Statistics for The B...

9th Edition
Frederick J Gravetter + 2 others
ISBN: 9781337098120

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Chapter
Section
BuyFindarrow_forward

Essentials of Statistics for The B...

9th Edition
Frederick J Gravetter + 2 others
ISBN: 9781337098120
Textbook Problem

What is the value of Σ(X + 1) for the following scores: 0, 1, 4, 2?

  1. a. 8
  2. b. 9
  3. c. 11
  4. d. 16

To determine
The value of ∑(x+1).

Explanation

Reason for correct answer:

The scores are 0,1,4,2.

Let X1, X2, X3 and X4 represents the given 4 scores.

X1=0X2=1X3=4X4=2

Let Y1, Y2, Y3 and Y4 be the scores after adding 1 to each of X1, X2, X3 and X4 respectively.

Y1=X1+1=0+1=1

Similarly,

Y2=X2+1=1+1=2

Similarly,

Y3=X<

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