Social Networking 40 30 20 10 12 24 36 48 Months Since February 2005 Used Social Networking Site (percent of polled)

Q: 75th percentiles of the data set, 8, 3, 9, 10, 12,17, 15 is ___ 8 15 3 17

A: Arranging Observations in the ascending order, We get :3,8,9,10,12,15,17 Here n = 7

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Q: 9. Another term for the 75th percentile is the: A. lower quartile B. 50th percentile C. average D.…

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Q: 2, 3, 4, 5, 11, 11, 13 :Calculate 20th percentile (P 20), from the following data

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