Unformatted text preview: ’ s claim. a. Construct the null and alternative hypothesis. b. Describe the null hypothesis distribution. c. What is ? d. What is the test statistic? e. What is the pvalue? f. Do you reject or not reject H ? g. State your conclusion. h. If the mean of the test is actually 103, did we make an error? If so, which error? 4. It is thought that the mean speed of cars on the highway outside a subdivision is 60 mph and = 7mph. A resident believes that it is higher. 81 cars are randomly selected and calculated the mean to be 61.62. Test the residence claim at a 0.05 significance level. a. Construct the null and alternative hypothesis. b. Describe the null hypothesis distribution. c. What is ? d. What is the test statistic? e. What is the pvalue? f. Do you reject or not reject H ? g. State your conclusion. h. If the mean speed of cars is 60 mph, did we make an error? If so, which error?...
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 Spring '08
 sims
 Statistics, Normal Distribution, Statistical hypothesis testing, 60 mph, 7mph

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