Month Cost ($) Activity

January 101,000 1,600

February 102,000 1,700

March 118,000 1,900

April 112,150 1,800

May 158,750 2,600

June 167,650 2,750

July 142,650 2,300

August 139,150 2,250

September 129,150 2,100

October 120,025 1,950

November 132,700 2,150

December 113,850 1,850

3.Compute the cost formula using the method of least squares. Using the regression cost formula, what is the predicted cost for a month with 2,000 activities?

$fill in the blank 3

4.Recompute the least squares analysis after removing the outliers identified in Requirement 2.

$fill in the blank 4

5.Comment on the differences in the two regression analyses.

The input in the box below will not be graded, but may be reviewed and considered by your instructor.