The population has a mean of 20 and standard deviation of 2. The coefficient of variation is 10% and an 88.9% Chebyshev interval around the mean is between 14 and 26.
Coefficient of variation and Chebyshev interval for population data
1. Consider population data with
= 20
and
= 2.
(a) Compute the coefficient of variation.
%
(b) Compute an 88.9% Chebyshev interval around the population mean.
Lower Limit
Upper Limit