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Category > Economics Posted 03 May 2017 My Price 7.00

significance level

11)Clark Heter is an industrial engineer at Lyons Products. He would like to determine whether there are more units produced on the night shift than on the day shift. A sample of 56 day-shift workers showed that the mean number of units produced was 336, with a population standard deviation of 19. A sample of 61 night-shift workers showed that the mean number of units produced was 341, with a population standard deviation of 25 units.

At the .02 significance level, is the number of units produced on the night shift larger?

a.This is a two/one -tailed test.

b.The decision rule is to reject H0: μd ≥ μn if z < ___ . (Negative amount should be indicated by a minus sign. Round your answer to 2 decimal places.)

c.The test statistic is z = ___. (Negative amount should be indicated by a minus sign. Round your answer to 2 decimal places.)

d.What is your decision regarding H0?

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SuperTutor
(15)
Status NEW Posted 03 May 2017 01:05 AM My Price 7.00

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