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February 27th, 2016, 06:22 PM  #1 
Newbie Joined: Feb 2016 From: Colorado Posts: 28 Thanks: 0  Stats practice question HELP!
Given the following data set, what value is the 15th percentile? VALUE FREQUENCY 12  10 13  12 14  19 15  25 16  14 17  5 
February 27th, 2016, 06:29 PM  #2 
Senior Member Joined: Dec 2012 From: Hong Kong Posts: 853 Thanks: 311 Math Focus: Stochastic processes, statistical inference, data mining, computational linguistics 
Since $\displaystyle n = 85$, the 15th percentile is the $\displaystyle 85 \times 0.15 \approx 13$th datum, i.e. 13.


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