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DATAfile: Jensen A statistical program is reco Jensen Tire & Auto Is in the process of deciding whether to purchase a maintenance contract for its

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DATAfile: Jensen A statistical program is reco Jensen Tire & Auto Is in the process of deciding whether to purchase a maintenance contract for its new computer wheel alignment and balancing machine. Managers feel that ma 'd be related to usage, and they collected the following information on weekly usage (hours) and annual maintenance expense (in hundreds of dollars) Weekly Usage Annual (hours) Maintenance Expense 13 17.0 10 22.0 20 30.0 28 37.0 32 47.0 17 30.5 24 32.5 31 39.0 40 51.5 3.8 40.0 (0) Develop the estimated regression equation that could be used to predict the annual maintenance erise (in hundreds of dollars) given the weekly usage (in hours). (Round your numerical values to two decimal places.) (b) Test the significance Monship in part (a) at a 0.05 level of significance. (Use the / test.) State the null and alternative hypotheses. O Ho . . D Find the value of the test statistic. ( ur answer to two decimal places.) Find the p-value. (Round your answer to three decimal places.) State your conclusion. O Reject He We cannot conclude that the relationship between weekly usage (hours) and annual ma Expense (in hundreds of dollars) is significant O Do not reject Me. We conclude that the relationship between weekly usage (hours) and annual ma ense (in hundreds of dollars) is significant. O Reject My We can lude that the relation n weekly usage (hours) and annual ma hundreds of dollars) is significant. Do not reject Me. We canne site that the relation ean weekly usage (hours) and ana ense (in hundreds of dollars) Is significant (d) If the ma id purchasing IXP Why or why not? (Round your answer to two decimal places.) The e eing used 29 hours per week is $ red. Since this expo verse is Seled- V than the cost of the ma contract -Select- Vadvisable

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