A teacher summarizes grades on the midterm exam by Min = 26, Q1 = 67, Median =

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A teacher summarizes grades on the midterm exam by Min = 26, Q1 = 67, Median = 80, Q3 = 87, Max = 100, Mean = 76, Mode = 100, Standard dev. = 76, IQR = 20.

She incorrectly recorded one of these. Which one do you think it was? Why?

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