This problem will take you through calculating the mean for grouped data by hand. The reason that the class midpoint is used in the table below is because it is the expected value for the average score in each class. Part A: Lower Class Limit Upper Class Limit Frequency Class midpoint Frequency times midpoint 60 64 13       65 69 17       70 74 15       75 79 7 77 539 80 84 5 82 410 85 89 5 87 435 90 94 3 92 276 95 99 1 97 97 100 104 1 102 102 Part B: Now add up the last column of the table above.

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Q: This problem will take you through calculating the mean for grouped data by hand. The reason that…

A: Part A: Lower Class Limit Upper Class Limit Frequency Class midpoint Frequency times midpoint…

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Q: This problem will take you through calculating the mean for grouped data by hand. The reason that…

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A: Point estimator is the estimate of the population parameter.