Question Completion Status: Moving to another question will save this response. Question 17 Which time-series model below assumes that demand in the next period will be equal to the most recent period's demand? naive approach moving average approach weighted moving average approach exponential smoothing approach trend projection A Moving to another question will save this response. Remaining Time: 1 hour, 10 minutes, 11 seconds. Question Completion Status: A Moving to another question will save this response. Question 18 Building high-morale organizations and building communication networks that include employees are both elements of ISO 9000 certification Six Sigma certification employee empowerment Taguchi methods the tools of TQM A Moving to another question will save this response. Question 19 A seasonal index for a monthly series is about to be calculated on the basis of three yeary' accumulation of data. The three previous July values were 110, 150, and 130. The verge demand over il mond during the three-year time period was 190. What is the approximate seasonal inden for July 0.487 0.664 162 Can't be calculated