A researcher asked participants to wear a simple counting device for a week and, for each day,

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A researcher asked participants to wear a simple counting device for a week and, for each day, to count the number of times they thought about food.7
The average of the seven daily counts, for each of n = 65 participants, are summarized by the statistics
n = 65  = 19.22 s = 17.66
Find a 95% confidence interval for the mean number of times a student thinks about food during one day.
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Statistics Principles And Methods

ISBN: 9780470904114

7th Edition

Authors: Richard A. Johnson, Gouri K. Bhattacharyya

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