Score 11-14 15-18 19-22 23-26 27-30 31-34 35-38 Frequency 4 7 8 10 12 7 8 What is the 90th percentile of the students score data? a) 27.64 b) 37.60 c) 31.07 d) 36.70

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A: here total observations = n = 24  no. of observations below 90 = 20 percentile of 90 = ?

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Q: 2. Given the data: 4,5, 7, 7,8, 9, 11, 4, 5, 5, 6, 7, 8, 12, 12, 11, 6, 7 A. Calculate the first…

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