In a sample of 90 large grade A eggs, the mean number of calories was 70 with
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In a sample of 90 large grade A eggs, the mean number of calories was 70 with a standard deviation of 2.5. In a sample of 85 large grade AA eggs, the mean number of calories was 80 with a standard deviation of 2.7. Find a \(98 \%\) confidence interval for the mean difference in the number of calories between grade AA and grade A eggs.
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