LA rainfall 2018 The Los Angeles Almanac website reports recent annual rainfall (in inches), as shown in

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LA rainfall 2018 The Los Angeles Almanac website reports recent annual rainfall (in inches), as shown in the table.

1. Create a 90% confidence interval for the mean annual rainfall in LA.

2. If you wanted to estimate the mean annual rainfall with a margin of error of only 2 inches, how many years’ data would you need?

3. Do these data suggest any change in annual rainfall as time passes? Check for an association between rainfall and year.

4. Consider the residuals. If there are outliers, look them up (“Rainfall in Los Angeles in ####”). Comment.

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Stats Data And Models

ISBN: 9780135163825

5th Edition

Authors: Richard D De Veaux, Paul F Velleman, David E Bock

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Question Posted: Aug 26, 2022 06:12 AM

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LA rainfall 2018 The Los Angeles Almanac website reports recent annual rainfall (in inches), as shown in

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1 Independence assumption Annual rainfall is independent from year to year Nearly Normal condition The histogram of the rainfall totals is skewed to t...View the full answer

Stats Data And Models

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