Chebyshev's Theorem,
A distribution has a mean of 260 and a standard deviation of 18. Using Chebyshev's Theorem, what is the percentage of data values that will fall in the range of 215 to 305?
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A distribution has a mean of 260 and a standard deviation of 18. Using Chebyshev's Theorem, what is the percentage of data values that will fall in the range of 215 to 305?