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 95​% confidence interval estimate of the population standard deviation. A. The confidence interval estimate is ​mi/h less than sigma less than mi/h.

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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 95​% confidence interval estimate of the population standard deviation.

A. The confidence interval estimate is

 
​mi/h less than sigma less than  mi/h.
​(Round to one decimal place as​ needed.)
60 61 61
56 61
53
59 58
59
70
58
68
Transcribed Image Text:60 61 61 56 61 53 59 58 59 70 58 68
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