In: Statistics and Probability
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 90% confidence interval estimate of the population standard deviation. 62 60 60 56 60 53 59 58 59 70 61 66 LOADING... Click the icon to view the table of Chi-Square critical values. The confidence interval estimate is nothing mi/h less thansigmaless than nothing mi/h. (Round to one decimal place as needed.)