Question: A quantitative data set has mean 10 and standard deviation 3. Fill in the following blanks: a. At least 75% of the observations lie between

A quantitative data set has mean 10 and standard deviation 3. Fill in the following blanks:

a. At least 75% of the observations lie between ______ and _____ .

b. At least ______% of the observations lie between 1 and 19.

Apply Chebyshev's rule to solve.

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