An automobile dealer conducted a test to determine if the time in minutes needed to complete a minor engine tune-up depe

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An Automobile Dealer Conducted A Test To Determine If The Time In Minutes Needed To Complete A Minor Engine Tune Up Depe 1 (35.89 KiB) Viewed 112 times

An automobile dealer conducted a test to determine if the time in minutes needed to complete a minor engine tune-up depends on whether a computerized engine analyzer or an electronic analyzer is used. Because tune-up time varies among compact, intermediate, and full-sized cars, the three types of cars were used as blocks in the experiment. The data obtained follow. Compact Intermediate Full-sized Ho: "Computerized * Electronic Ha: "Computerized Electronic Computerized 51 55 62 Use α = 0.05 to test for any significant differences. State the null and alternative hypotheses. Ho: "Computerized = μElectronic Ha: "Computerized * Electronic Ho: "Compact Intermediate Full-sized Ha: Compact Intermediate Full-sized Analyzer Ho: "Compact Intermediate Full-sized Ha: "Compact = "Intermediate Full-sized = 1 Electronic 42 45 Ho: "Computerized Electronic Compact Intermediate = μFull-sized H₂: Not all the population means are equal. 45 Find the value of the test statistic. (Round your answer to two decimal places.) Find the p-value. (Round your answer to three decimal places.) p-value =