Refer to the information in E5 5 regarding Mountain Dental
Refer to the information in E5-5 regarding Mountain Dental.

1. Perform a least-squares regression using Mountain’s activity and cost information and state the linear cost equation (y = a + bx).
2. Explain what each component of the cost equation represents.
3. Do the regression results differ from those obtained using the high-low and scatter graph methods? If so,why?
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