Listed below are speeds (mi/h) measured from southboundtraffic on a busy highway. This simple random sample was obtainedat 3:30 P.M. on a weekday. Use the sample data to construct a90% confidence interval estimate of the population standarddeviation.
64 61 61 57 61 53 59 58 59 68 58 69
Listed below are speeds (mi/h) measured from southbound traffic on a busy highway. This simple random sample was obtain
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Listed below are speeds (mi/h) measured from southbound traffic on a busy highway. This simple random sample was obtain
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