#### Understanding

Outliers are values that lie outside 1.5 IQR values from the upper or lower quartile in a box plot.

### What to look for

Students should recognize that outliers have no impact on the median and interquartile range.### Sample Assessment

To find an outlier you need to know?

I. The median

II. The minimum and maximum

III. The quartiles

a. All of the above

b. I and III

c. II and III

d. I and II

Answer: C