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 an 80% confidence interval estimate of the population standard deviation.
61
62
62
55
62
55
59
58
59
70
60
66
The confidence interval estimate is ____ mi/h<<______mi/h.
Does the confidence interval describe the standard deviation for all times during theweek? Choose the correct answer below.
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Introduction to Real Analysis
Authors: Robert G. Bartle, Donald R. Sherbert
4th edition
471433314, 978-1118135853, 1118135857, 978-1118135860, 1118135865, 978-0471433316
