1. For the data of Example 1, label all possible outliers using:
(a) (i) z-Score test, (ii) distribution-free test, and (iii) modi?ed z-score test.
(b) Box plot.
2. The following data represent test scores of 36 randomly selected students from a large mathematics class.
|
67
|
63
|
39
|
80
|
64
|
95
|
90
|
93
|
21
|
36
|
44
|
66
|
|
100
|
66
|
72
|
34
|
78
|
66
|
68
|
98
|
74
|
81
|
71
|
100
|
|
60
|
50
|
81
|
66
|
90
|
89
|
86
|
49
|
77
|
63
|
58
|
43
|
Label all possible outliers using:
(a) (i) z-Score test, (ii) distribution-free test, and (iii) modi?ed z-score test.
(b) Box plot.