A group of business students at Tech organized a student club called Prism to develop and disseminate content about business majors through a Web site they created and social media sites. Prism would like for the academic departments to use its Web site to promote and provide information about their academic majors, and to post possible job opportunities from potential employers. In order to convince the college administration and department heads to use their site, they want to develop a forecast of future Web site visits. Following is the number of weekly visits the club’s Web site has received for the past 24 weeks while it has been in existence.

Week Web site Visits Week Web site Visits 1 537 13 822 2 375 14 677 3 419 15 1,031 4 276 16 657 5 445 17 983 6 512 18 774 7 670 19 1,210 8 561 20 811 9 705 21 1,137 10 619 22 763 11 768 23 1,225 12 645 24 941 Develop a linear trend line forecast, an exponential smoothing forecast (a = 0.60), and a 3-month weighted moving average (with the most recent month weighted by 0.50, the next closest month by 0.30, and the final month by 0.20). Indicate which one seems to be the most accurate forecast model and the forecast for week 25.

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