The table that follows presents financial data of some companies drawn from four different industry sectors. The
Question:
The table that follows presents financial data of some companies drawn from four different industry sectors. The data include return on capital, sales, operating margin, and debt-to-capital ratio all pertaining to the same latest 12 months for which data were available for that company. The period may be different for different companies, but we shall ignore that fact.
Using suitable indicator variables to represent the sector of each company regress the return on capital against all other variables, including the indicator variables.
1. The sectors are to be ranked in descending order of return on capital. Based on the regression results, what will that ranking be?
2. It is claimed that the sector that a company belongs to does not affect its return on capital.
Conduct a partial F test to see if all the indicator variables can be dropped from the regression model.
3. For each of the four sectors, give a 95% prediction interval for the expected return on capital for a company with the following annual data: sales of $2 billion, operating margin of 35%, and a debt-to-capital ratio of 50%.
Expected ReturnThe expected return is the profit or loss an investor anticipates on an investment that has known or anticipated rates of return (RoR). It is calculated by multiplying potential outcomes by the chances of them occurring and then totaling these...
Step by Step Answer:
Complete Business Statistics
ISBN: 9780077239695
7th Edition
Authors: Amir Aczel, Jayavel Sounderpandian