Refer to Example 6 where, one day, the visits of n = 48 students to the social
Question:
= 35.96 minutes and s = 29.11 minutes n = 48
(a) Calculate a 90% confidence interval for the mean daily time spent on the social network site.
(b) Compare your interval with the two confidence intervals obtained in Example 6. Comment.
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Related Book For
Statistics Principles And Methods
ISBN: 9780470904114
7th Edition
Authors: Richard A. Johnson, Gouri K. Bhattacharyya
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