My Math Forum Stats practice question HELP!

 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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