In an experiment to study the relation between the time waiting in line, y (minutes), to get

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In an experiment to study the relation between the time waiting in line, y (minutes), to get to the head of the checkout line at her favorite grocery store and the number of persons ahead in line, x, a student collected the following statistics:
In an experiment to study the relation between the time

(a) Find the equation of the least squares fitted line.
(b) Using the fitted line, predict the time waiting in line when 3 persons are already in line.

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Statistics Principles And Methods

ISBN: 9780470904114

7th Edition

Authors: Richard A. Johnson, Gouri K. Bhattacharyya

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