Question

Suppose the students surveyed for the data on exercising in Example 7.4 were also asked "How many alcoholic beverages do you consume in a typical week?" Five-number summaries for males' and females' responses are as follows. Females 0 OO Males 3 11 56 0 0 2 18.5 Students were also asked if they typically sit in the front, back, or middle of the classroom. Here are the responses to the question about alcohol consumption for the students who responded that they typically sit in the back of the classroom. males (N = 22): 0, 0, 0, 0, 0, 0, 0, 2, 4, 4, 5, 6, 11, 11, 11, 15, 16, 16, 21, 31, 46, 56 females (N = 14): 0, 0, 0, 0, 0, 1, 2, 2, 5, 5, 11, 13, 16, 18.5 Using the definition of an outlier, where an outlier is defined to be any value that is more than 1.5 x IQR beyond the closest quartile, identify which value(s) are outliers in each of the two sets of values (males and females) who sit in the back of the classroom. (Enter your answers as comma-separated lists. If there are no outliers, enter NONE) Males Females

Answer 1

For males: For females: Minimum = 0 Bi=0 Median, de = 5.5 Q = 16 Maximum = 56 Minimum = 0 chi 0 Median, O, 2 = 2. 03 = 11 Maximum = 18.5 IQ R = 9 - Q = 11 IQR= Q-Q, = 16 1.58 IBR = 11x1.5= 16.5 1.5% I QR = 16x1.5=24 Duffiers for males: 31,46,56 Outliers for females; 18,5

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