Cholesterol levels: A national health survey measured the serum HDL cholesterol levels in a large number of women. Following is a sample of 40 HDL levels (in milligrams per deciliter) that are based on the results of that survey. They have been sorted into numerical order.
25
25
26
27
27
27
28
31
33
33
34
35
35
35
36
37
39
42
43
46
46
47
48
50
50
51
52
53
53
54
56
59
60
64
73
75
77
80
81
83
A) Find the upper and lower outlier boundaries
Blood pressure in men: The three quartiles for systolic blood pressure in a sample of 3174 men were Q1=111, Q2=128, and Q3=145
Find the upper and lower outlier boundaries