Z-score Formula

Given a mean of 2, standard deviation of 4 and a data point 6. What is the z-score?

• 1

• -1

• .33

• 5

Given a data set with a z score of 4.2, a mean of 3.2 and a standard deviation of 2.8, what is the data point?

• 11.76

• 14.96

• 15.97

• -14.99

Tags

CCSS.HSS.ID.A.4

Given a data set with a mean of 12, an element 18 and a z-score of -3, what is the standard deviation?

• -1.5

• 2

• -2

• 3.27

Given the data set 13, 12, 22, 19, 25. What is the z-score of the data point 22?

• -2.99

• 1.88

• -1.25

• 0.75

Given a data point 1.2, a standard deviation of 5.2 and a z-score of -2.0. What is the mean?

• 11.6

• -11.6

• 3

• 1

Tags

CCSS.HSS.ID.A.4

What is the data value that corresponds to a z-sore of -2.4, a mean of 6.5 and a standard deviation of 3.8?

• -2.34

• 2.34

• 2.62

• -2.62

Tags

CCSS.HSS.ID.A.4

Given the data set {33, 27, 39, 41}, what is the z-score for the data value 41?

• 2.80

• 1.09

• 1.25

• 3.8

Given the data set, {1.4, 1.8, 1.9, 1.3, 1.2} what is the z-score for 1.9?

• 1.4

• 1.9

• 2.8

• -1.8

Given a data set with a mean of 3, standard deviation of 1.2 and a z-score of -2.3, what is the data value?

• 5.3

• 2.9

• .24

• .55

Tags

CCSS.HSS.ID.A.4

Given a data set with a z-score of 3, data value 4 and a standard deviation of 2. What is the mean?

• 6

• 3

• 2

• -2