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A computer manufacturer is Interested in comparing assembly times for tivo keyboard assembly processes. Process ] Is the standard process used for several years, and

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A computer manufacturer is Interested in comparing assembly times for tivo keyboard assembly processes. Process ] Is the standard process used for several years, and Process: 2 Is an updated process hoped to bring a decrease In assembly time. Assembly times can vary considerably from worker to worker and the company decides to eliminate this effect by selecting 10 workers at random and timing each worker on each assembly process. Half of the workers are chosen at andom to use Process 1 first, and the rest use Process 2 first. For each worker and each process, the assembly time (In minutes) is recorded, as shown In the table below. Worker Process 1 Process 2 61 Difference (Process 1 - Process 2 Send doin to cokulaby Based on these does, can the company conclude, at the U.10 level of sighincanes, that the mean assembly time for Process 1 exceeds that of Process 27 Ansever this question by performing a hypothesis test regarding (1 (which Is JI with a letter"d" subscript), the population mean difference in assembly times for the two processes. Assume that this population of differences (Process 1 minus Process 2) Is normally clitributed. Perform a one called test, Then complete the parts below. Carry your intermediate computations to three or more decimal places and round your answers as spedned. (If necessary, consult a list of formulas (a) State the null hypothesis Ily and the alternative hypothesis H H O (b) Determine the type of test statistic to use Type of test staticac: [Choose coe) (c) Find the value of the test statistic.

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