Question: A help desk devoted to student software problems also receives phone calls. The number of persons that can be served in person, within one hour,

A help desk devoted to student software problems also receives phone calls. The number of persons that can be served in person, within one hour, is the response y. The predictor variable, x, is the number of phone calls answered.

(a) Calculate ,Sxy, and Syy

(c) Determine the fitted line.
(d) Use the fitted line to give a point estimate of the predicted number of persons served when 3 calls are answered.

and

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