The "forecastability" of a dependent variable (like Sales) is expressed through which quantitative measure? standard deviation R-square value Coefficient of variation Correlation coefficient: Which of the following tactics help(s) to create a defensible forecast in business: (select all that apply) Purchase high-priced software Offer explanations for what you see in the data, models, and their predictions MR Decompose historical data to capture distinct influences of seasons and trends Employ a coherent forecasting process