In a sample of 90 large grade A eggs, the mean number of calories was 64 with a standard deviation of 2.5. In a sample of 85 large grade AA eggs, the mean number of calories was 86 with a standard deviation of 2.7. Find a 98% confidence interval for the difference in the mean numbers of calories between grade AA and grade A eggs. (Round the final answer to three decimal places.)
In a sample of 90 large grade A eggs, the mean number of calories was 64 with a standard deviation of 2.5. In a sample of 85 large grade AA eggs, the mean number of calories was 86 with a standard deviation of 2.7. Find a 98% confidence interval for the difference in the mean numbers of calories between grade AA and grade A eggs. (Round the final answer to three decimal places.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Transcribed Image Text:In a sample of 90 large grade A eggs, the mean number of calories was 64 with a standard deviation of 2.5. In a sample of 85 large
grade AA eggs, the mean number of calories was 86 with a standard deviation of 2.7. Find a 98% confidence interval for the difference
in the mean numbers of calories between grade AA and grade A eggs. (Round the final answer to three decimal places.)
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