According to the Chebyshev rule, at least what percentage of the observations in any data set are contained within a distance of 2 standard deviations around the mean?
A) 67%
B) 75%
C) 88.89%
D) 95%

Question

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The Answer of According to the Chebyshev rule, at least what percentage of the observations in any data set are contained within a distance of 2 standard deviations around the mean?
A) 67%
B) 75%
C) 88.89%
D) 95%

According to the Chebyshev Rule, at Least What Percentage of the Observations