La rainfall the los angeles almanac website reports recent, Ask an Expert

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

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

b) 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?

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

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Computer Engineering, Engineering

Category:- Computer Engineering
Reference No.:- M92193373

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