Question 446866: Find the value of the 90th percentile of the following set of data.
129, 113, 200, 100, 105, 132, 100, 176, 146, 152
Answer by Edwin McCravy(20055)   (Show Source):
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129, 113, 200, 100, 105, 132, 100, 176, 146, 152
Arrange the data in order from highest to lowest
200
176
152
146
132
129
113
105
100
100
The 90th percentile is the value that beats the lower 90%
of the data.
There are 10 values, and 90% of 10 is 9, so 200 is the
value that beats the lower 90% of the data, so 200
is the 90th percentile value.
Edwin
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