Problem Analasys And Statistics
Consider the following regression model between the dependent variable, SALES (reflecting monthly sales, in thousands of dollars) and independent variable, ADVERTISING (representing the monthly advertising expenditure, in thousands of dollars): Estimated SALES = 4.2 + 2.6 ADVERTISING. The value 4.2 in the above regression line represents: Select one: a. the proportion of the variation in SALES explained by variation in ADVERTISING b. the change in […]