WebAssign + → XC There is insufficient evidence at the 0.05 to conclude that the average...
WebAssign + → XC There is insufficient evidence at the 0.05 to conclude that the average net sales have improved. 11. [-14.7 Points] DETAILS BBUNDERSTAT12 3.2.015.MI. Consider population data with y = 20 and o = 2. (a) Compute the coefficient of variation. (b) Compute an 88.9% Chebyshev interval around the population mean. Lower Limit Upper Limit 12. [-14.7 Points] DETAILS BBUNDERSTAT12 2.R.010. Many people say the civil justice system is overburdened. Many cases center on suits involving businesses. The following data are based on a Walls 1908 businesses ranked in the Fortune 1000 over a 20-year period. They found the following distribution of civil justice caseloads brought before the disputes over contracts between businesses.