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What is the formula to find the z-score for population?

• z=X-M

• z=σ-M/μ

• ^z/M=μ

• z=X-μ/σ

Find the Z-score.

Mean = 22

Standard Deviation: 3.1

x = 29

• 2.26

• 16.45

• -2.26

• 1.26

Find the Z-score.

Mean = 21

Standard Deviation: 1.3

x = 22

• 0.77

• 5.33

• 1.07

• 1.26

Find the Z-score.

Mean = 27

Standard Deviation: 1.4

x = 11

• -11.43

• 7.85

• -2.33

• 4.16

Find the z-score.

Mean = 45

Standard Deviation: 2.1

x = 50

• 2.38

• 3.00

• 3.08

• 2.33

Find the z-score.

Mean = 40

Standard Deviation: 1.4

x = 42

• 1.43

• 1.28

• -1.4

• 1.24

Find the z-score.

Mean: 16

Standard Deviation: 4

x = 11

• -1.25

• +1.25

• 16

• 21

Find the z-score.

Mean: 29.8

Standard Deviation: 7

x = 20

• -1.4

• 10.2

• -21

• 35

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

A data set has a mean of 20 and a standard deviation of 3. Calculate the z-score for 23.