the three quartiles
of a frequency distribution 76,98, 40 find j
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(d) 20, 28, 23, 25, 3, 5, 30, 22, 18, 40, 16, 35, 1, 33, 12 ... 76. 78. (a) Find the mean, median, five number summary, IQR, and ... summary is { 39,67,75.5,86,98}, so IQR = 86 – 67 = 19.
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