Mathematics, 24.04.2020 22:44 ammullims822

Listed below are speeds (mi/ h) measured from southbound traffic on
1-280 near Cupertino, California (based on data from SigAlert). This simple random sample was obtained at 3:30 PM on a weekday. Use the sample data to construct a 95% confidence
interval estimate of the population standard deviation. Does the confidence interval describe the
standard deviation for all times during the week?
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