QMB-210 Lecture 26: QMB 210 Lecture 26: Chapter 14: Regression/ Summaries, examples, explanations

• School: University of Tampa
• Department: Quantitative Methods in Business
• Course: QMB-210
• Professor: Shaista Nisar

Document Summary

The mean value of y when x = 0: given the following regression equation: a) When x increases by 1, y increases by 3 b) When x = 0, y =10: true or false: from the coefficient of determination, we cannot detect the strength of the relationship between y and any individual independent variable. Because the coefficient of determination is telling you the strength. 2: the managing partner of an advertising agency believes that his company"s sales are related to the industry sales. He uses microsoft excel"s data analysis tool to analyze the last. 4 years of quarterly data (i. e. , n = 16) with the following results: Company sales = 3. 962 + 0. 040451(industry sales: referring to table 1-2, the value and interpretation of the coefficient of determination in this regression is. X effects y to an extent of 0. 643 percent (***only if it is a very small number does it not effect)