Mathematics, 20.05.2021 17:20 ani61

Two days later, Kelly surveyed the same 13 classmates and found that none of them had been given math homework since she last surveyed them. By how much does the mean of Kelly’s second data set change in comparison with the mean of the data set in her original survey? Explain how to determine the change in the means without calculating the mean of either data set.

Two days later, Kelly surveyed the same 13 classmates and found that none of them had been given ma

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