Statistics Review

The z-table gives the percent of data at or below a z-score.

• True

• Sometimes true, sometimes false

• False

Tags

CCSS.HSS.ID.A.4

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

• 6

• 34

• 52

• 70

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

What is the standard deviation on this Normal Curve?

• 6

• 12

• 34

• 18

• 99.04%

• 0.96%

• 98.93%

• 97.68%

Tags

CCSS.HSS.ID.A.4

A data set has a mean of 290 and a standard deviation of 20. Calculate the z-score for an x value of 265.

Tags

CCSS.HSS.ID.A.4

Find the z-score

x = 19 μ= 14 σ = 2.1

Type in your answer to the nearest hundredth

If the mean is 100 and the standard deviation is 5

What is the probability of having a value between 72 & 102?

• 0.3448

• 0.6554

• 0.0854

• 0.7132

Tags

CCSS.HSS.ID.A.4

With a mean of 62 and standard deviation of 11

what is the probability of a value that is AT MOST 70

Round your answer to the nearest ten thousandth

Tags

CCSS.HSS.ID.A.4

On a standard normal curve, what is the probability of a value LESS than 1.36?

Type your answer to the ten thousandth place.

Tags

CCSS.HSS.ID.A.4

With a mean of 70 and standard deviation of 7, between what two values does 68% of the data fall between?

• 52 - 70

• 49 - 91

• 63 - 77

• 56 - 84

Tags

CCSS.HSS.ID.A.4