Chapter 4 - s3-eu-west-1.amazonaws.com fileChapter 4 Normal Curve and Standard Scores Practice with...

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Chapter 4 Normal Curve and Standard Scores Practice with the Normal Curve

Transcript of Chapter 4 - s3-eu-west-1.amazonaws.com fileChapter 4 Normal Curve and Standard Scores Practice with...

Page 1: Chapter 4 - s3-eu-west-1.amazonaws.com fileChapter 4 Normal Curve and Standard Scores Practice with the Normal Curve

Chapter 4Normal Curve and Standard Scores

Practice with the Normal Curve

Page 2: Chapter 4 - s3-eu-west-1.amazonaws.com fileChapter 4 Normal Curve and Standard Scores Practice with the Normal Curve

The Normal CurveUsing the z-Table

100%

Page 3: Chapter 4 - s3-eu-west-1.amazonaws.com fileChapter 4 Normal Curve and Standard Scores Practice with the Normal Curve

The Normal Curve

50

50%

50th percentile

Page 4: Chapter 4 - s3-eu-west-1.amazonaws.com fileChapter 4 Normal Curve and Standard Scores Practice with the Normal Curve

0 1 2-2 -1s (standard deviation)

0 1 2-2 -1z-score

The Normal Curve

Page 5: Chapter 4 - s3-eu-west-1.amazonaws.com fileChapter 4 Normal Curve and Standard Scores Practice with the Normal Curve

0 1 2-2 -1

34 34 13.5 2.513.52.5

50%

16%

2.5%

s (standard deviation)

0 1 2-2 -1z-score

The Normal Curve

Page 6: Chapter 4 - s3-eu-west-1.amazonaws.com fileChapter 4 Normal Curve and Standard Scores Practice with the Normal Curve

34 34 13.5 2.513.52.5

84%

97.5%

0 1 2-2 -1s (standard deviation)

0 1 2-2 -1z-score

The Normal Curve

Page 7: Chapter 4 - s3-eu-west-1.amazonaws.com fileChapter 4 Normal Curve and Standard Scores Practice with the Normal Curve

50

The Normal Curve

Page 8: Chapter 4 - s3-eu-west-1.amazonaws.com fileChapter 4 Normal Curve and Standard Scores Practice with the Normal Curve

34 34 13.5 2.513.52.5

84%

97.5%

16%

0 1 2-2 -1s (standard deviation)

0 1 2-2 -1z-score

The Normal Curve

Page 9: Chapter 4 - s3-eu-west-1.amazonaws.com fileChapter 4 Normal Curve and Standard Scores Practice with the Normal Curve

34 34 13.5 2.513.52.5

0 1 2-2 -1s (standard deviation)

0 1 2-2 -1z-score

Mean + 1 s = 68%

The Normal Curve

Page 10: Chapter 4 - s3-eu-west-1.amazonaws.com fileChapter 4 Normal Curve and Standard Scores Practice with the Normal Curve

34 34 13.5 2.513.52.5

Mean + 2 s = 95%

0 1 2-2 -1s (standard deviation)

0 1 2-2 -1z-score

The Normal Curve

Page 11: Chapter 4 - s3-eu-west-1.amazonaws.com fileChapter 4 Normal Curve and Standard Scores Practice with the Normal Curve
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The Normal Curve

34 34 13.5 2.513.52.5

0 1 2-2 -1s (standard deviation)

0 1 2-2 -1z-score

Page 13: Chapter 4 - s3-eu-west-1.amazonaws.com fileChapter 4 Normal Curve and Standard Scores Practice with the Normal Curve

34 34 13.5 2.513.52.5

0 1 2-2 -1s (standard deviation)

0 1 2-2 -1z-score

The Normal Curve