What is the mean squared error of the following forecasts? Marketing Chapter 8 What is the mean squared error of the following forecasts? Month Actual Sales Forecast Jan. 68 60 Feb. 48 50 Mar. 50 60 Apr. 30 30 a) 168 b) 5 c) 20 d) 1 e) 42 Answer: e) 42 Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+