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Statistics for The Behavioral Scie...

10th Edition
Frederick J Gravetter + 1 other
ISBN: 9781305504912

Solutions

Chapter
Section
BuyFindarrow_forward

Statistics for The Behavioral Scie...

10th Edition
Frederick J Gravetter + 1 other
ISBN: 9781305504912
Textbook Problem

18 . 18. For the following scores, find the value of each expression:

    X
    3
    5
    0
    2

   X

   X 2

   X + 1

   ( X + 1 )

To determine
  1. To find X , add all X values.

    • X =3+5+0+2 =10

  2. To find X 2 , add all X 2 values.

    • X 2 = 3 2 + 5 2 + 0 2 + 2 2 =9+25+0+4 =38
  3. To find X +1 , add 1 to X value.

    • X +1=( 3+5+0+2 )+1 =10+1 =11
  4. To find ( X+1 ) , first add 1 to all X values and then add them.

    • ( X+1 ) =[ ( 3+1 )+( 5+1 )+( 0+1 )+( 2+1 ) ] =[ 4+6+1+3 ] =14
Explanation

Conclusion:

X =10 X 2 =38

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