16. The Deadweight Anchor Company has experienced the following demand for a particular model of boat anchor during the past 2 years:

a. Compute and plot the 4month moving average for these data.

b. Compute a 12-month average for the first 12 months and the last 12 months. Plot these points, and draw a trend line that represents the trend of these data. What are the intercept and slope of the line?

Transcribed Image Text:

MONTH YEAR I YEAR 2 MONTH YEAR I YEAR 2 January 1,361 1,415 July 1,210 1,290 February 1,286 1,325 August 1,190 1,240 March 1,230 1,286 September 1,240 1,300 April 1,225 1,295 October 1,288 1,375 May 1,220 1,275 November 1,362 1,422 June 1,250 1,255 December 1,438 1,490