A typical college student drinks an average of 30 gallons of coffee each year, or 2.3...

 

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A typical college student drinks an average of 30 gallons of coffee each year, or 2.3 gallons per month. A sample of 12 students at Northwestern State University revealed the following amounts of coffee consumed last month. 1.96 1.75 1.57 1.82 1.85 1.82 2.43 2.65 1.69 2.66 2.60 2.24 At the 0.01 significance level, is there a significant difference between the average amount consumed at Northwestern State and the national average? A typical college student drinks an average of 30 gallons of coffee each year, or 2.3 gallons per month. A sample of 12 students at Northwestern State University revealed the following amounts of coffee consumed last month. 1.96 1.75 1.57 1.82 1.85 1.82 2.43 2.65 1.69 2.66 2.60 2.24 At the 0.01 significance level, is there a significant difference between the average amount consumed at Northwestern State and the national average?

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Sample size n 12 Sample mean calculated from sample bar X 2087 Sample standard deviation ... View the full answer