Identify the null hypothesis alternative hypothesis test, Ask an Expert

Statistics

Identify the null hypothesis, alternative hypothesis, test statistic, P-value and conclusion about the null hypothesis. Use the P-value method.

California Speeding.

Listed below are recorded speeds (in mi/h) of randomly selected cars traveling on a section of Highway 405 in Los Angles. That part of the highway has a posted speed limit of 65 mi/h. Assume that the standard deviation of speed is 5.7 mi/h and use a 0.01 significance level to test the claim that the sample is from a population with a mean that is greater than 65 mi/h.

68, 68, 72, 73, 65, 74, 73, 72, 68, 65, 65, 73, 66, 71, 68, 74, 66, 71, 65, 73,

59, 75, 70, 56, 66, 75, 68, 75, 62, 72, 60, 73, 61, 75, 58, 74, 60, 73, 58, 75

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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