Question
Listed below are speeds(mi/h) measured from traffic on a busy highway. This simple random sample was obtained at3:30 P.M. on a weekday. Use the sample
Listed below are speeds(mi/h) measured from traffic on a busy highway. This simple random sample was obtained at3:30 P.M. on a weekday. Use the sample data to construct a 95% confidence interval estimate of the population standard deviation.
63 64 64 57 64 53 59 58 59 68 62 66
The confidence interval estimate is
____mi/h < < ____mi/h.
Round to the nearest one decimal place as needed
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Mathematical Analysis And Its Applications Roorkee, India, December 2014
Authors: P N Agrawal, R N Mohapatra, Uaday Singh, H M Srivastava
1st Edition
813222485X, 9788132224853
