Percentage of the observations

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The masses (in pounds) of a sample of five boxes being sent by United Parcel Service (UPS) are: 12, 6, 7, 3, and 10.

a) Using Chebyshev's theorem, at least what percentage of the observations must be within 2.5 standard deviations of the mean? Verify. (round final answer to nearest whole number).

b) Using the Empirical Rule, about 68 percent of the values would occur between what values? Verify. (round final answers to 2 decimal places.)

Reference no: EM132157617

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