Unit 1 Statistics Review

What shape is a normal distribution curve?

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

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CCSS.HSS.ID.A.3

This data is normally distributed. What percent of the data is in the shaded region?

• 68%

• 95%

• 99.8%

• 50%

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CCSS.HSS.ID.A.1

CCSS.HSS.ID.A.2

This data is normally distributed. What percent of the data is in the shaded region?

• 68%

• 32%

• 16%

• 50%

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CCSS.HSS.ID.A.4

CCSS.HSS.MD.A.1

This data is normally distributed. What percent of the data is in the shaded regions?

• 5%

• 95%

• 2.5%

• 50%

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CCSS.HSS.ID.A.1

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

• 25%
• 68%
• 95%
• 99.7%

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CCSS.HSS.ID.A.4

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

How is the graph distributed?

• Normally

• Skewed to the Left

• Skewed to the Right

• Uniform

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CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

Which is a normal distribution graph?

• 
• 
• 
• 

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CCSS.HSS.ID.A.4

CCSS.HSS.ID.A.1

CCSS.HSS.ID.A.3

35 is

• mean

• variance

• standard deviation

• 1st quartile

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CCSS.HSS.ID.A.4

CCSS.HSS.ID.A.1

CCSS.HSS.ID.A.2

CCSS.HSS.MD.A.2

What is the the total area under the standard normal distribution curve?

• 100
• 25
• .5
• 1

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CCSS.HSS.ID.A.4