According to Chebyshev's Theorem,at least what percent of the observations lie within ±1.25 standard deviations of the mean?
A)36%
B)56%
C)76%
D)96%

Name: According to Chebyshev's Theorem,at least what percent of the observations lie within ±1.25 standard deviations of the mean? A)36% B)56% C)76% D)96%
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Question

Quizplus · Accepted Answer

Chebyshev's Theorem states that at least (1 - 1/k^2) of the data lies within k standard deviations of the mean. For k = 1.25, this is (1 - 1/1.25^2) = 0.36 or 36%.

According to Chebyshev's Theorem,at Least What Percent of the Observations