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Chapter 1, Problem 20P

BuyFindarrow_forward

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

    • X =6+( 2 )+0+( 3 )+( 1 ) =66 =0
  2. To find X 2 , add all X 2 values.

    • X 2 = 6 2 + ( 2 ) 2 + 0 2 + ( 3 ) 2 + ( 1 ) 2 =36+4+0+9+1 =50
  3. To find ( X+3 ) , first add 3 to all X values and then add them.

    • ( X+3 ) =[ ( 6+3 )+( 2+3 )+( 0+3 )+( 3+3 )+( 1+3 ) ] =[ 9+1+3+0+2 ] =15

Explanation

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