The following applies to Questions 6-7 The manager of a service centre for elect

Question

The following applies to Questions 6-7 The manager of a service centre for electronic equipment wishes to assess if the average service times for his three technicians are equal Each technician was given a random sample of disk drives and the service time for each disk drive was recorded. Technician A was given 5 disk drives, Technician B was given 8 disk drives, and Technician C was given 12 disk drives. We would like to conduct an analysis of variance to compare the performance of the three technicians. Suppose that all necessary assumptions have been satisfied. The ANOVA table (with some values missing) is shown below Gsoups Question 6(1 point) What is the P-value of the appropriate test of significance? betseen 0.001 and 0.01 bet aen 0.01 and 0.025 O between 0025 and o s betesen 0.05 and 0 10 greaar thas 0.10 Question 7 (1 point) What is the interpretation of the P-value in the previous question? The probabilit, that at least one of the uue mean sericatinas dnas tom the others is treur unswana previous question If the true mean service time were equal for all three techcans, the probablity of incorrectly concluding that the means dffer would be your answer to previous question) If the true mean service tme were equal for all three techniclons, the probablity of oberving the dHerenoes in sample means at least as eatreme as those observed would be (your answer to previous question) D÷ tfat least one of the true meanse vise resdffers for teothes eprobabiity of obse ng the dfferences 53m ien een atleest as estreme as those observed would be (your anewer to previous question) The probolaty tat the true mean service tme ts equal for an three techrect re your answer to prevous question)

Explanation / Answer

1)p value =0.01 and 0.025 is correct

2)option C is correct

Source df SS MS F p value groups 2 904 452 4.580378 0.0217 error 22 2171 98.68182 total 24 3075

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