 Showing of 12 Questions
# 877 :: 1/13/11 Suppose that the sales manager of a large automotive parts distributor wants to estimate as early as April the total annual sales of a region. On the. . .
# 856 :: 3/14/10 In this case, we are going to study some data collected from Kelly Blue Book for several hundred 2005 used General Motors (GM) cars. This data allows . . .
# 765 :: 6/23/09 A football team's season ticket sales, percentage of games won, and number of active alumni for the years 1992-2000 are given below: Year . . .
# 721 :: 5/5/09 What does regression do? What is its purpose?. . .
# 549 :: 12/10/08 An expert witness in a case of alleged racial discrimination in a state university school of nursing introduced a regression of the determinants of Sa. . .
# 548 :: 12/10/08 A researcher used stepwise regression to create regression models to predict BirthRate (births per 1,000) using five predictors: LifeExp (life expecta. . .
# 546 :: 12/10/08 In the following regression, X = total assets (\$ billions), Y = total revenue (\$ billions), and n = 64 large banks. (a) Write the fitted regression eq. . .
# 545 :: 12/10/08 In the following regression, X = weekly pay, Y = income tax withheld, and n = 35 McDonalds employees. (a) Write the fitted regression equation. (b) S. . .
# 544 :: 12/10/08 (a) How does correlation analysis differ from regression analysis? (b) What does a correlation coefficient reveal? (c) State the quick rule for a sign. . .
# 513 :: 11/17/08 I have a question about SEYhat in time-series regression for N=1 subject.... I want to know whether the StdError of the fitted score (SEYhat) can. . .
# 408 :: 9/23/08 Use Excel, or MINITAB to fit the regression model, including residuals and standardized residuals: DATA SET E Ages and Weights of 31 Randomly Chose. . .
# 185 :: 5/7/08 Hi I am performing a regression analysis with 3 x variables. My question is, if I have high p values (i.e. above 0.05) for each of the x coefficie. . .