A normal curve has a ____ shape.

• skewed left

• skewed right

• bimodal

• symmetrical

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

CCSS.HSS.ID.A.4

In a normal curve,

• the mean is greater than the median

• the mean is less than the median

• the mean is equal to the median

• who knows

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

In a normal curve, if the standard deviation gets larger,

• the curve stays the same

• the curve gets taller and skinnier

• the curve gets shorter and wider

• the curve shifts to the right

In a normal curve, if the mean gets larger,

• the curve stays the same

• the curve gets taller and skinnier

• the curve gets shorter and wider

• the curve shifts to the right

In a normal curve, what percent of the data falls within one standard deviation of the mean?

• 68%

• 95%

• 99.7%

• 50%

In a normal curve, what percent of the data falls within two standard deviations of the mean?

• 68%

• 95%

• 99.7%

• 50%

In a normal curve, what percent of the data falls within three standard deviations of the mean?

• 68%

• 95%

• 99.7%

• 50%

In a normal curve, if the standard deviation gets smaller,

• the curve stays the same

• the curve gets taller and skinnier

• the curve gets shorter and wider

• the curve shifts to the right