A B2B buyer is looking at an advertisement for a service he needs for his company. What would be his next step in the buying decision process? He needs to:

Ateam of engineers has decided to design a new shoe for people suffering from a painful foot condition. what should the engineers do during the planning stage of their project? a. look at the trial's results to see how the design can be improved. b. build a variety of shoe models. c. have patients wear the new shoe in an experimental trial to see if symptoms improve. d. estimate how much potential consumers would be willing to pay for this new shoe.

Which organization was established to train the hard-core unemployed? - better business bureau- equal employment opportunity commission- environmental protection agency- affirmative action committee- national alliance of business

True or false: a fitted model with more predictors will necessarily have a lower training set error than a model with fewer predictors.