Use the following to answer the questions below:
Summary statistics from a dataset and the corresponding computer analysis of variance output are provided.

-Find a 90% confidence interval for the mean of population A. Round the margin of error to three decimal places.
A) 35.040 to 38.366
B) 35.061 to 38.345
C) 34.747 to 38.660
D) 34.937 to 38.470

Question

Use the following to answer the questions below:
Summary statistics from a dataset and the corresponding computer analysis of variance output are provided.
 
-Find a 90% confidence interval for the mean of population A. Round the margin of error to three decimal places.
A) 35.040 to 38.366 
B) 35.061 to 38.345 
C) 34.747 to 38.660 
D) 34.937 to 38.470

Quizplus · Accepted Answer

The correct answer is A because the confidence interval is 35.040 to 38.366, and the margin of error is (38.366 - 35.040) / 2 = 1.663, which rounds to 1.663.

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