The number of base hits for the top 26 rookies in the American League last season are given below.Determine the interquartile range for the data. 124, 141, 132, 111, 115, 135, 152, 121, 132, 125, 119, 123, 98,
140, 127, 132, 108, 122, 135, 141, 120, 118, 163, 121,138, 122
A)15
B)16.7
C)14.4
D)17
E)14

Question

Quizplus · Accepted Answer

The interquartile range is the difference between the third quartile and the first quartile. The third quartile is the median of the upper half of the data, and the first quartile is the median of the lower half of the data. The data is already sorted, so the third quartile is the median of the 13th and 14th values, which is 132. The first quartile is the median of the 6th and 7th values, which is 121. The interquartile range is therefore 132 - 121 = 11.

The Number of Base Hits for the Top 26 Rookies