In Chapter 17, Exercise 36 we found a model for HDI (the UN’s Human Development Index) from 7 socio-economic variables for 96 countries. Using software that provides regression diagnostics (leverage values, Cook’s distance, studentized residuals), find two countries that have potentially large influence and discuss briefly what is unusual about these countries.
Answer to relevant QuestionsIn Exercise 35 you identified several countries that had potentially large influence on the model in Chapter 17, Exercise 36 predicting HDI. Set those countries aside and rerun the model. Write up a few sentences on the ...Here is the scatterplot of the variables in Exercise 7 with regression lines added for each kind of movie: The regression model is: Dependent variable is: US Gross ($M) R-squared = 0.3674, Adjusted R-squared: 0.3491 s = ...a) Which will be smoother, a 50-day or a 200-day moving average? b) Which will be smoother, a single exponential smoothing (SES) model using α = 0.10 or a model using α = 0.80? c) What is the difference in how historical ...Target Corp. operates “big box” stores that sell everyday essentials and fashionable differentiated merchandise. It also operates an online business at target.com. Target’s reported gross earnings per share for the ...Use the following model to forecast quarterly sales ($ Million) for a company (where time is rescaled to begin at zero and Q2, Q3, and Q4 are dummy variables for the indicated quarters), and answer the following questions. y ...
Post your question