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Based on historical data, the water temperature in the Gulf of Mexico near St. Petersburg Florida is 75F on average. In a recent month, 10
Based on historical data, the water temperature in the Gulf of Mexico near St. Petersburg Florida is 75F on average. In a recent month, 10 measurements were taken with an average of 77.5 with a standard deviation of 1.5 degrees. Can it be concluded with 95% confidence that the temperature during this time frame was higher than the historical average?
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