The number of hours of flight time for 16 amateur pilots last month is listed below: 7, 8, 6, 2, 7, 9, 5, 8, 8, 10, 6, 5, 10, 7, 9,8 (a) Sketch a histogram with bins of size 3 to display this data. (b) Find the median M of this data set. (c) Find the lower and upper quartiles, Q₁ and Q3.

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