There are 10 class intervals. The sample size is 50. The lowest score is 17. The highest score is 44 The sum of the product of the frequency and the midpoint = 1425 The frequency of the median class interval is equal to the class size. The cumulative frequency below the median class interval is given by the equation: n fcum =- 2 2 Determine the median class interval if the sample mean is equal to the median. Show your solution.

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