Question: Refer to Exercise Calculate the coefficient of determination and the

Refer to Exercise. Calculate the coefficient of determination and the least squares line. Is this more informative than the scatter diagram?
In exercise, a very large contribution to profits for a movie theater is the sales of popcorn, soft drinks, and candy. A movie theater manager speculated that the longer the time between showings of a movie, the greater the sales of concession items. To acquire more information, the manager conducted an experiment. For a month he varied the amount of time between movie showings and calculated the sales. Use a graphical technique to help the man-ager determine whether longer time gaps produces higher concession stand sales.


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  • CreatedFebruary 03, 2015
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