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To perform diagnostics on the consistency of a laboratory scale, multiple measurements are taken ...

Earthgirl225

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To perform diagnostics on the consistency of a laboratory scale, multiple measurements are taken ...

To perform diagnostics on the consistency of a laboratory scale, multiple measurements are taken using a reference weight over the course of several days. The variance observed over 20 repeated measures is 248. What is a 99% confidence interval for the measurement variance of this scale?

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(122.129, 688.486)

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(11.051, 26.239)

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(117.809, 633.862)

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(174.034, 413.213)

Textbook

Introductory Statistics: A Problem-Solving Approach

Edition: 3^rd

Author: Kokoska

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Earthgirl225 Author

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A year ago

Thanks for your help!!

Marcie D

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Thank you, thank you, thank you!

lipop

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Good timing, thanks!

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