Required information Problem 6-42 Continuation of Preceding Problem; Computing Least-Squares Regression Estimates; Comparing Multiple Methods (Appendix) (LO 6-1, 6-2, 6-5, 6-6, 6-8) [The following information applies to the questions displayed below.] Marthas Vineyard Marine Supply is a wholesaler for a large variety of boating and fishing equipment. The companys controller, Mathew Knight, has recently completed a cost study of the firms material-handling department in which he used work measurement to quantify the departments activity. The control factor unit used in the work-measurement study was hundreds of pounds of equipment unloaded or loaded at the companys loading dock. Knight compiled the following data. Units of Activity Month (hundreds of pounds of equipment loaded or unloaded) Material-Handling Department Costs January 2,700 $ 12,600 February 2,500 12,200 March 2,200 11,700 April 1,900 11,100 May 3,100 12,000 June 3,300 13,900 July 2,900 12,900 August 2,700 12,300 September 3,500 13,200 October 2,000 11,500 November 2,100 12,250 December 2,300 12,250

Required informatio Problem 6-42 Continuation of Preceding Problem; Computing Least-Squares Regression Estimates; Comparing Multiple Methods (Appendix) (LO 6-1, 6-2, 6-5, 6-6, 6-8) [The following information applies to the questions displayed below.] Martha's Vineyard Marine Supply is a wholesaler for a large variety of boating and fishing equipment. The company's controller, Mathew Knight, has recently completed a cost study of the firm's material-handling department in which he used work measurement to quantify the department's activity. The control factor unit used in the work-measurement study was hundreds of pounds of equipment unloaded or loaded at the company's loading dock. Knight compiled the following data Units of Activity (hundreds of pounds Month JanuaryY February March April May une July August September October November December equipment loaded or unloaded) 2,700 2,500 2,200 1,900 3,100 3,300 2,900 2,700 3,500 2,000 2,100 2,300 Material- Handling Department Costs $12,600 12,200 11,700 11,100 12,000 13,900 12,900 12,300 13,200 11,500 12,250 12,250