A random sample of n = 9 wheels of cheese yielded the following weights in pounds, assumed to be
21.50 18.95 19.40 19.15 22.35 22.90 22.20 23.10
(a) Give a point estimate for σ.
(b) Find a 95% confidence interval for σ and then find a 90% confidence interval for σ.© BrainMass Inc. brainmass.com March 22, 2019, 1:22 am ad1c9bdddf
This solution provides steps necessary to determine the point estimate, confidence intervals and standard deviation.