Which statistic is associated only with multiple regression and not with simple regression?     adjusted R2     partial F test     estimated or predicted value     z-test

Can you help with questiosn 4

Using the accompanying Cost of Living Adjustments data to find the best multiple regression model to predict the salary as a function of the other variables. What would the comparable salary be for a city with the following​ adjustments: groceries: 4​%; ​housing: 8​%; ​utilities: −3​%; ​transportation: −1​%; and health​ care: 7​%? Use a level of significance of 0.05. Using the accompanying Cost of Living Adjustments data to find the best multiple regression model to predict the salary as a function of the other variables. What would the comparable salary be for a city with the following​ adjustments: groceries: 4​%; ​housing: 8​%; ​utilities: −3​%; ​transportation: −1​%; and health​ care: 7​%? Use a level of significance of 0.05.     Determine the best multiple linear regression model to predict the salary as a function of the other rates. Select the best answer below and fill in the corresponding answer boxes to complete your choice.   ​(Type integers or decimals rounded to…

A sales manager for an advertising agency believes there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. A regression analysis shows the following results. Coefficients Standard Error t-Stat p-value Intercept -12.201 6.560 -1.860 0.100 Number of contacts 2.195 0.176 12.505 0.000 ANOVA df SS MS F Significance F Regression 1.00 |13,555.42 |13,555.42 156.38 0.00 Residual 8.00 693.48 86.68 Total 9.00 14,248.90 Assume that X = 33.4 and E(X – X) 2814.4. Rounding to one decimal place, the 95% confidence interval for 30 calls is