Any data value with a z-score less than -3 or greater than +3 is considered to be a(n)
A)outlier.
B)usual value.
C)whisker.
D)z-score value.

Question

Quizplus · Accepted Answer

A z-score less than -3 or greater than +3 corresponds to a data value that is more than 3 standard deviations away from the mean. Such values are very unlikely to occur in a normal distribution and are therefore considered to be outliers.

Any Data Value with a Z-Score Less Than -3 or Greater