A nutritionist records the time to eat an evening meal, at a student cafeteria, for 64 students.
Question:
A nutritionist records the time to eat an evening meal, at a student cafeteria, for 64 students. She obtains X̅ = 36.2 and s = 5.6 minutes and reports that the 95% confidence interval for the mean time to eat is
or (30.79, 41.61)
(a) Is this statement correct?
(b) Does the interval (30 .79, 41.6 1) cover the true mean? Explain.
Transcribed Image Text:
5.6 √64 36.2 1.96- - to 5.6 √64 36.2 +1.96-
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Related Book For
Statistics Principles And Methods
ISBN: 9781119497110
8th Edition
Authors: Richard A. Johnson, Gouri K. Bhattacharyya
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