Explain one guideline that will help a speaker use or create an effective presentational aid. Provide examples.

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

Win goods inc. is a large multinational conglomerate. as a single business unit, the company's stock price is estimated to be $200. however, by adding the actual market stock prices of each of its individual business units, the stock price of the company as one unit would be $300. what is win goods experiencing in this scenario? a. diversification discount b. learning-curveeffects c. experience-curveeffects d. economies of scale

After testing its water, a city water department issues a report to the related citizens, noting what chemicals have been identified, their doses, and the estimated risks of exposure at these levels. this report represents a type of