The Standard Deviation of the Daily Temperatures in Honolulu Last $\alpha$

question 63

Essay

The standard deviation of the daily temperatures in Honolulu last year was 4 degrees Fahrenheit. A random sample of 25 days resulted in a standard deviation of 5.8 degrees Fahrenheit. Has there been a significant increase in the variance of the temperatures? Use $\alpha$ = 0.05.

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