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Mathematics, 30.07.2019 05:20 rafoxy35

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. 65 62 62 55 62 55 60 59 60 70 61 68
the confidence interval estiamte it __mi/h< o < __mi/h

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