The following TI 84 Plus display presents a 95 confidence interval for a population mean a How many degrees of freedom are there b Find the critical value t2 for a 99 confidence interval c Use the critical value along with the information in the display to construct a 99 confidence interval for the...

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The following TI-84 Plus display presents a 95% confidence interval for a population mean. a. How many

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The following TI-84 Plus display presents a 95% confidence interval for a population mean. image text in transcribed

a. How many degrees of freedom are there?

b. Find the critical value tα∕2 for a 99% confidence interval.

c. Use the critical value along with the information in the display to construct a 99%
confidence interval for the population mean.

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Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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Question Posted: May 07, 2024 04:02 AM

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The following TI-84 Plus display presents a 95% confidence interval for a population mean. a. How many

Question:

TInterval (41.772.49.348) x=45.56 Sx=6.84 n=15

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Elementary Statistics

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