Five measurements are taken of the octane rating for a

Chapter 5, Problem 5E

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Five measurements are taken of the octane rating for a particular type of gasoline. The results (in percent) are 87.0, 86.0, 86.5, 88.0, 85.3.

Find a 95% prediction interval for a single measurement. Find a tolerance interval for the pH that includes 90% of the measurements with 99% confidence.

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