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Campbell Mcdonald
06/05/2024 · Elementary School

An analyst suggests that the average daily temperature in a specific region is 75 degrees Fahrenheit. Data from a sample of 40 days shows an average daily temperature of 76.3 degrees Fahrenheit, with a population standard deviation of 1.2 degrees at a significance level of 0.05 . Is there sufficient evidence to challenge the analyst's claim?

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The calculated t-statistic is approximately 6.85, indicating sufficient evidence to challenge the analyst's claim that the average daily temperature is 75 degrees Fahrenheit.

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