Listed below are speeds mi h measured from traffic on a busy

Last updated: 5/28/2023

Listed below are speeds mi h measured from traffic on a busy highway This simple random sample was obtained at 3 30 P M on a weekday Use the sample data to construct a 99 confidence interval estimate of the population standard deviation 61 65 65 57 65 53 59 58 59 70 58 67 Click the icon to view the table of Chi Square critical values The confidence interval estimate is mi h o Round to one decimal place as needed mi h