Is the maximum value (75) an outlier by the 1.5×IQR rule?

Yes, because 75 62 (upper fence) IQR = 38 − 22 = 16. Upper fence = 38 + 24 = 62. Since 75 62, the value 75 is an outlier.

Yes, because 75 62 (upper fence)

Cannot determine without raw data

No, max values are never outliers

Summary Statistics for a Quantitative Variable

AP Statistics· difficulty 4/5

A summary of a data set is given.

Is the maximum value (75) an outlier by the 1.5\timesIQR rule?

Explanation

IQR = 38 - 22 = 16. Upper fence = 38 + 24 = 62. Since 75 > 62, the value 75 is an outlier.

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