M119L06-page4 - x ( ) 2 values Step 4) VAR, or 2 = the...

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(Lesson 6: Measures of Spread or Variation; 3-3) 3.18 Recipe Given data: x 1 , x 2 , , x N . Steps Notation Step 1) Find the mean. μ = x N Step 2) Find the deviations from the mean by subtracting the mean from all the data values. x ( ) values Step 3) Square the deviations from Step 2).
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Unformatted text preview: x ( ) 2 values Step 4) VAR, or 2 = the average of the squared deviations from Step 3) 2 = x ( ) 2 N Step 5) SD, or = VAR = x ( ) 2 N...
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This note was uploaded on 12/29/2011 for the course MATH 119 taught by Professor Kim during the Fall '09 term at SUNY Stony Brook.

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