# Z-score and Inter-Quartile Range

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Sample of 10 student's ages.

Student Age

1 22

2 21

3 22

4 29

5 32

6 37

7 43

8 44

9 54

10 22

Calculate the inter-quartile range

Calculate the 30th percentiles

Calculate the z-score. Are they any outliers in this data set?

https://brainmass.com/statistics/z-test/z-score-inter-quartile-range-250457

#### Solution Preview

Z-score

Assistance with stats

Sample of 10 student's ages.

Student Age

1 22

2 21

3 22

4 29

5 32

6 37

7 43

8 44

9 54

10 22

Calculate the inter-quartile range

Calculate the 30th percentiles

Calculate the z-score. Are they any outliers ...

#### Solution Summary

The Z-scores and inter-quartile range for a histogram is determined.

$2.49