4.8 Suppose all of the regression assumptions in Key Concept 4.3 are satisfied except that the first assumption is replaced with E( ui I Xi) = 2. Which parts of Key Concept 4.4 continue to hold? Which change? Why? (Is β1^ normally distributed in large samples with mean and variance given in Key Concept 4.4? What about β0^?)

As manager of kids skids, meghan wants to develop her relationship management skills. in order to do this, she learns how to

Larissa has also provided the following information. during the year, the company raised $36 million in new long-term debt and retired $20.52 million in long-term debt. the company also sold $22 million in new stock and repurchased $32.4 million. the company purchased $54 million in fixed assets, and sold $6,107,400 in fixed assets. larissa has asked dan to prepare the financial statement of cash flows and the accounting statement of cash flows. she has also asked you to answer the following questions: 1. how would you describe east coast yachts' cash flows? 2. which cash flows statement more accurately describes the cash flows at the company? 3. in light of your previous answers, comment on larissa's expansion plans.

True or false: a fitted model with more predictors will necessarily have a lower training set error than a model with fewer predictors.