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A random sample of truck speeds for 15 randomly selected trucks traveling on Route 95 in New Rochelle was taken. These are the results (in

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A random sample of truck speeds for 15 randomly selected trucks traveling on Route 95 in New Rochelle was taken. These are the results (in miles per hour): 57.3, 65.5, 51.3, 66.1, 74.8, 68.9, 63.9, 62.4, 56.4, 57.9, 55.2, 57.2, 59.9, 66.9, 58.4 Truck speeds on Route 95 are known to be normally distributed with an unknown mean ofu and an unknown standard deviation 0. (in miles per hour) a) Calculate the sample mean for this data. S b) Calculate the sample standard deviation for this data. :] c) Calculate the maximum likelihood estimate for (72 using this data. [: d) Calculate an unbiased estimate for (72 using this data. :] e) Calculate the sample median for this data. :] f) Suppose W has a t distribution with 14 degrees of freedom. If P(W > t) = .09 then what is t? [:1 9) Suppose W has a t distribution with 14 degrees of freedom. If P(W

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