Mathematics, 28.07.2020 17:01 daniellekennedy05

listed below are speeds (mi/h) measured from traffic on a busy highway, the simple random sample was obtained at 3:30 pm on a weekday. use the sample data to construct a 90 % confidence interval estimate of the population standard 61 63 63 57 63 52 60 59 60 70 62 68

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