Question

Loren’s friends jump as far as they can and record their results in inches. Their results include the observations 42, 47, 50, 42, 45, 41, 49, 51, and 44. Which number, if added to the dataset, would represent an outlier in the data?(1 point)
Responses

40
40

44
44

72
72

52

Answer 1

72

Using the 1.5·IQR rule: sorted data = 41,42,42,44,45,47,49,50,51. Q1 = 42, Q3 = 49.5, IQR = 7.5. Upper fence = 49.5 + 1.5(7.5) = 60.75, so any value above 60.75 is an outlier. 72 is the only choice above that.