Normal Distribution

What shape is a normal distribution curve?

• Half curve
• Round curve
• Bell curve
• Square curve

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CCSS.HSS.ID.A.3

According to the empirical rule, how much of the data falls within 3 standard deviations? 

• 25%
• 68%
• 95%
• 99.7%

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CCSS.HSS.ID.A.4

Given a mean of 75 and a standard deviation of 7, what percentage of scores are between 75 and 82?

• 68%

• 81.5%

• 16%

• 34%

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CCSS.HSS.ID.A.4

The normal curve is symmetrical about the mean.

• True
• False

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CCSS.HSS.ID.A.4

According to the empirical rule, what percentage of data falls within 1 standard deviation of the mean?

• 25%

• 68%

• 95%

• 99.7%

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CCSS.HSS.ID.A.4

Which is a normal distribution graph?

• 
• 
• 
• 

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CCSS.HSS.ID.A.1

CCSS.HSS.ID.A.4

CCSS.HSS.MD.A.1

35 is

• mean

• variance

• standard deviation

• 1st quartile

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CCSS.HSS.ID.A.1

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

CCSS.HSS.ID.A.4

What is the standard deviation on this Normal Curve?

• 6

• 12

• 34

• 18

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CCSS.HSS.ID.A.4

What is the value of the mean on this Normal Curve?

• 6

• 34

• 52

• 70

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CCSS.HSS.ID.A.4

CCSS.HSS.MD.A.2

CCSS.HSS.MD.A.3

What is true about the data in this bar graph?

• In this perfectly symmetrical distribution, the mean, median, and mode are the same.

• The mean, median, and mode are different.

• There are several outliers in the set of data that makes this bar graph.

• The data is unevenly distributed - therefore, the mean, median, and mode are are all over the place.

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CCSS.HSS.ID.A.1

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3