{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Lectures+6+_+7-+Normal+Curve-post

Lectures+6+_+7-+Normal+Curve-post - Chapter 5 Normal Curve...

Info iconThis preview shows pages 1–12. Sign up to view the full content.

View Full Document Right Arrow Icon
Click to edit Master subtitle style 8/12/10 Chapter 5: Normal Curve September 9-11, 2008
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
8/12/10 Why should we care? Distribution of most variables we measure: Intelligence Achievement Positive Affectivity Personality Variables Assumption of many inference tests
Background image of page 2
8/12/10 Y= “frequency” of X X= score μ = mean of the distribution The normal curve
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
8/12/10 E.g., IQ scores SAT μ = 100 Area contained under the curve IQ 52 68 84 100 116 132 148
Background image of page 4
8/12/10 Standard Scores z scores A z score is a transformed score that designates how many standard deviation units the corresponding score is above or below the mean mean = 0 standard deviation = 1 Raw scores do NOT s X X z X z - = - = σ μ
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
8/12/10 In which class are you doing better? Social Psychology You got an 87! mean= 80 sd =5 Abnormal Psychology You got a 92! mean = 75 sd = 15
Background image of page 6
Determine the z score for
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Background image of page 8
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Background image of page 10
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Background image of page 12
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 12

Lectures+6+_+7-+Normal+Curve-post - Chapter 5 Normal Curve...

This preview shows document pages 1 - 12. Sign up to view the full document.

View Full Document Right Arrow Icon bookmark
Ask a homework question - tutors are online