Do the sample results support the theorem

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Reference no: EM131403659

A law enforcement agency, administering breathalyzer tests to a sample of drivers stopped at a New Year's Eve roadblock, measured the following blood alcohol levels for the 25 drivers who were stopped:

755_Table 3.jpg

a. Calculate the mean and standard deviation for this sample.

b. Use Chebyshev's theorem to determine the minimum percentage of observations that should fall within k = 1.50 standard deviation units of the mean. Do the sample results support the theorem?

c. Calculate the coefficient of variation for these data.

Reference no: EM131403659

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