Question: Refer to Problem 65. (A) Find a cubic regression equation for the data, and graph it and the data set in the same viewing window.

Refer to Problem 65.
(A) Find a cubic regression equation for the data, and graph it and the data set in the same viewing window.
(B) Use the regression equation and a numerical integration routine on a graphing calculator to approximate the number of units assembled by a new employee during the second 60 days on the job.

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