# National paper Company must purchase a new machine for producing cardboard boxes. The company must choose between two machines. The

## Question:

a. Assuming normality, perform a hypothesis test to determine whether there is a difference between the mean hourly outputs of the two machines. Use Î± = .05.

b. Estimate the minimum and maximum differences between the mean outputs of the two machines. Justify your answer.

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**Related Book For**

## Business Statistics In Practice

**ISBN:** 9780073401836

6th Edition

**Authors:** Bruce Bowerman, Richard O'Connell

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