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Grade averages for 10 randomly selected college students are listed below. Assume the point averages are...

Grade averages for 10 randomly selected college students are listed below. Assume the point averages are normally distributed. Find a 98% confidence interval for the actual mean. Round to the nearest hundredth.
2.0 3.2 1.8 2.9 0.9 4.0 3.3 2.9 3.6 0.8
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