Grade point averages-normally distributed

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The grade point averages for 10 randomly selected high school students are listed below. Assume the grade point averages are normally distributed.

2.0 ,   3.2 ,  1.8 ,  2.9 ,  0.9 ,  4.0 ,  3.3 ,  2.9 ,  3.6 ,  0.8

Find a 98% confidence interval for the true mean.

Reference no: EM1317289

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