Question: Hey there! I really need some help with this statistics question about highway speeds and confidence interval estimates. Thank you so much in advance! Listed

Hey there! I really need some help with this statistics question about highway speeds and confidence interval estimates. Thank you so much in advance!

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 98% confidence interval estimate of the population standard deviation. 64 61 61 57 61 53 60 59 60 70 62 66 Click the icon to view the table of Chi-Square critical values. The confidence interval estimate is | mi/h

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