The mean and standard deviation of a random sample of measurements are equal to 33.6 and 3.1, respectively a. Find a 95%
Posted: Sun Sep 05, 2021 5:19 pm
The mean and standard deviation of a random sample of measurements are equal to 33.6 and 3.1, respectively a. Find a 95% confidence interval forn 49. b. Find a 95% confidence interval for in 190 c. Find the widths of the confidence intervals found in parts a and b. What is the effect on the width of a confidence interval of quadrupling the sample size while holding the confidence coefficient fixed?