Mean and Standard Deviation of Normal Distributions

• C

• B

• A

• Cannot be determined without labeled x-axis

Tags

CCSS.HSS.ID.A.3

• A

• B

• C

• Cannot be determined without labeled x-axis

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CCSS.HSS.ID.A.3

What is the standard deviation of the player weights?

(a)  

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CCSS.HSS.ID.A.4

CCSS.HSS.ID.A.2

What player weight is exactly 1 standard deviation below the mean?

(a)  

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CCSS.HSS.ID.A.4

CCSS.HSS.ID.A.3

CCSS.HSS.ID.A.2

CCSS.HSS.MD.A.1

(a)  

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CCSS.HSS.ID.A.4

Which player weight below would be somewhere between 2 and 3 standard deviations above the mean?

• 180

• 200

• 250

• 275

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CCSS.HSS.ID.A.4

CCSS.HSS.ID.A.3

CCSS.HSS.ID.A.2

Which choice below is a description of the STANDARD DEVIATION of a data set?

• The distance between the mean and the lowest number in the data set

• The average distance a data set is from the mean (center) of the set

• The distance between the highest and lowest numbers in a data set

• The distance between the mean and the highest or lowest number in the data set

Tags

CCSS.HSS.ID.A.4

CCSS.HSS.ID.A.3

CCSS.HSS.ID.A.2

Which choice below is true about normal distribution curves A, B, and C?

• Curve A has the highest mean and the lowest standard deviation

• Curve B has a higher mean than curve C

• Curve C has the lowest mean but the highest standard deviation

• Curve A has the lowest standard deviation and the same mean as B and C

Tags

CCSS.HSS.ID.A.3

A set of SAT scores are normally distributed with a mean of 1010

A score of 1150 is exactly one standard deviation above the mean

What SAT score will be exactly one standard deviation below the mean?

(a)  

Tags

CCSS.HSS.ID.A.4

What is the MEAN height of adult US females?

(a)  

Tags

CCSS.HSS.ID.A.4