# Question: A data set has a mean of 80 and a

A data set has a mean of 80 and a standard deviation of 5.

a. Using Chebyshev’s theorem, what percentage of the observations fall between 70 and 90?

b. Using Chebyshev’s theorem, what percentage of the observations fall between 65 and 95?

a. Using Chebyshev’s theorem, what percentage of the observations fall between 70 and 90?

b. Using Chebyshev’s theorem, what percentage of the observations fall between 65 and 95?

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