Counting Production. Refer to Exercise 11.26 and obtain a 90% confidence interval for the standard deviation of

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Counting Production. Refer to Exercise 11.26 and obtain a 90% confidence interval for the standard deviation of the times needed to count 20 bolts.

In each of Exercises 11.33–11.36, use the technology of your choice to decide whether applying one-standard-deviation χ2-procedures appears reasonable. Explain your answers.

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Introductory Statistics

ISBN: 9781292099729

10th Global Edition

Authors: Neil A. Weiss

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