Question

Following are the playback rimes (in hours) for a sample of 20 MP3 players 8,15,21,21,23,23,24,26,27,30,30,31,41,50,61,62,63,63,64,71 What...

Following are the playback rimes (in hours) for a sample of 20 MP3 players

8,15,21,21,23,23,24,26,27,30,30,31,41,50,61,62,63,63,64,71

What is the 65th percentile?

Math   Statistics-And-Probability   
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Answer #1
Position X (Asc. Order)
1 8
2 15
3 21
4 21
5 23
6 23
7 24
8 26
9 27
10 30
11 30
12 31
13 41
14 50
15 61
16 62
17 63
18 63
19 64
20 71

The 65% percentile is located between the values in the positions 13 and 14. Those value in ascending order, are 41 and 50.

The value of 13.65 - 13 = 0.65

corresponds to the proportion of the distance between 41 and 50

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