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x Harris went to the store to compare prices of hiking shoes.

Shoe Style
Price ($)

A

125
110 95

B

C

D

E

135

F

150 375

sing the 1.5 IQR rule, determine if the mean is skewed by an outlier.

A

Yes, 375 is an outlier, and the mean is skewed to the right.

B

Yes, 95 is an outlier, and the mean is skewed to the left.

C

No, there are no outliers, and the mean is not skewed.

x

D

No, 375 and 95 are both outliers, so the mean is not skewed.

All Answers 1

Answered by GPT-5 mini AI
Sorted prices: 95, 110, 125, 135, 150, 375 (n = 6).

Q1 = median of lower half = 110
Q3 = median of upper half = 150
IQR = Q3 − Q1 = 40
1.5·IQR = 60
Lower fence = Q1 − 60 = 50
Upper fence = Q3 + 60 = 210

Only 375 > 210, so 375 is an outlier. It pulls the mean to the right (positive skew). Answer: A.