Question: Understanding Chebyshev's Rule. 68, 68, 40, 40, 68, 68, 12, 68, 68, 40 Find the mean and standard deviation of the data set above. Round

Understanding Chebyshev's Rule. 68, 68, 40, 40, 68, 68, 12, 68, 68, 40 Find the mean and standard deviation of the data set above. Round your answers to one decimal place. mean std dev What the percentage of observations are within 2 standard deviations of the mean? Round your answer to the nearest whole percentage. %

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