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In: Statistics and Probability

Listed below are speeds​ (mi/h) measured from traffic on a busy highway. This simple random sample...

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.)

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ANS: 3.3 to 6.8

orchestra answered 1 year ago
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