Phony Data? For any data set of n values with standard deviation s, every value must be
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Phony Data? For any data set of n values with standard deviation s, every value must be within of the mean. A statistics teacher reports that the test scores in her class of 17 students had a mean of 75.0 and a standard deviation of 5.0. Kelly, the class’s self-proclaimed best student, claims that she received a grade of 97. Could Kelly be telling the truth?
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