Y12 #18 z-score practice

Find the Z-score.

Mean = 22

Standard Deviation: 3.1

x = 29

Mathematical Equivalence

ON

Find the Z-score.

Mean = 27

Standard Deviation: 1.4

x = 11

Mathematical Equivalence

ON

Find the Z-score.

Mean = 27

Standard Deviation: 1.4

x = 11

Mathematical Equivalence

ON

Find the z-score.

Mean = 38

Standard Deviation: 1.2

x = 42

Mathematical Equivalence

ON

Find the z-score.

Mean = 45

Standard Deviation: 2.1

x = 50

Find the z-score.

Mean = 40

Standard Deviation: 1.4

x = 42

Mathematical Equivalence

ON

Find the mean

Z-score = -0.4

Standard Deviation: 7

x = 20

Find the value of x.

Z-score = -2.2

mean = 25

Standard Deviation: 7

Find the mean.

Z-score = -1.25

Standard Deviation: 4

x = 11

Find the mean.

Z-score = -1.4

Standard Deviation: 7

x = 20