For the 20 test scores shown, find the percentile rank for a score of 86.
75
63
92
74
86
50
77
82
98
65
71
89
75
66
87
59
70
83
91
73
Help!
Formula:
%
1. Arrange the scores from highest to lowest:
98
92
91
89
87
86
83
82
77
75
75
74
73
71
70
66
65
63
59
50
2. Count all the ones that are lower than 86.
86 is at the 70th percentile!
Edwin
