Z-Score

List each set of data by color from the lowest standard deviation to the highest standard deviation.

Look at each data set's standard deviation.

Set 1: 15.9

Set 2: 14.64

Set 3: 17.88

Which set of data has values that are closer in relation to the mean value of the data?

In the formula for z-score what does the x stand for?

In the formula for z-score what does the symbol below stand for?

$$\mu$$  

In the formula for z-score what does the symbol below stand for?

$$\sigma$$  

If the z - score is 1.5 the data point ________ the mean.

If the z - score is -1.5 the data point ________ the mean.

If the z - score is 0 the data point ________ the mean.

When playing golf having a score with a negative z-score is better than a positive z-score.

When playing a Quizizz game having a score with a negative z-score is better than a positive z-score.

Find the Z-score.

Mean = 22

Standard Deviation: 3.1

x = 29

Find the Z-score.

Mean = 21

Standard Deviation: 1.3

x = 22

Find the Z-score.

Mean = 27

Standard Deviation: 1.4

x = 11

Find the z-score.

Mean = 38

Standard Deviation: 1.2

x = 42