SOLUTION: Im not sure how to work this problem can someone please help!! How do you find the P95 A research study of manual dexterity involved determining the time required to complete

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Question 613641: Im not sure how to work this problem can someone please help!! How do you find the P95

A research study of manual dexterity involved determining the time required to complete a task. The time required for each of 40 individuals with disabilities is shown here (data are ranked)
7.1 7.2 7.2 7.6 7.6 7.9 8.1 8.1 8.1 8.3 8.3 8.4 8.4 8.9
9.0 9.0 9.1 9.1 9.1 9.1 9.4 9.6 9.9 10.1 10.1 10.1 10.2
10.3 10.5 10.7 11.0 11.1 11.2 11.2 11.2 12.0 13.6 14.7 14.9 15.5
Find the P95.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi, 

40 data:

Note: Q1 was (1/4)40 or P25 .25(40) = 10 (8.3 the cut-off for the lower 25%)

Finding P95:  .95(40) = 38

  P95 is 14.7