Under what conditions would you choose to use simple exponential smoothing, Holt’s exponential smoothing, or Winters’ exponential smoothing? Are these the only smoothing models possible to construct? If there are other possible models, suggest one that might be useful.

When calculating the bountiful returns that retirees allegedly would glean from stock investments, privateers use rosy projections about a continually booming market. but when predicting bankruptcy for social security, they switch to pessimistic projections of a low-growth economy with abnormally low payments into the fund. in fact, far from going broke, social security produces enormous surpluses. from __ to americans paid more in social security taxes than were paid out in benefits. according to the congressional budget office, the social security trust fund will remain solvent until at least social security is the only federal program that produces about $150 billion yearly surplus, the only program that shows every sign of being selfsupporting and solvent for over thirty years to come yet is repeatedly described by its enemies as being in danger of insolvency?

Marco works in the marketing department of a luxury fashion brand. he is making a presentation on the success of a recent marketing campaign that included a fashion show. which slide elements can he use to include photographs and footage of the fashion show in his presentation? marco can use the: table images audio option to include photographs and the: flowcharts images video option to include footage of the fashion show.

Popeye produces 20 cans of spinach in 8 hours. wimpy produces 15 hamburgers in 10 hours. if each hamburger trades for 1.5 cans of spinach, then: a.wimpy’s production and productivity are greater than popeye’s. b.popeye’s production is greater than wimpy’s, but his productivity is less. c.wimpy’s production is greater than popeye’s, but his productivity is less. d.popeye’s production and productivity are greater than wimpy’s.