9. Question 9 What characteristic of the outcome variable (Y) suggests that a logistic regression is a suitable methodology? 1 point When the outcome is a dichotomous variable…
6. Question 6 A simple regression equation decomposes the observed data into two parts: the fitted values and the residuals. What is the interpretation of a residual? 1 point …
5. Question 5 You can NOT use a regression for which of the following activities? 1 point Identifying unusual data points You can in fact use a regression model…
4. Question 4 If two variables have a correlation of -1, then what do you know about them? 1 point They have a perfect positive linear association …
2. Question 2 A simple regression models which function of the outcome variable (Y)? 1 point It models the mean of the outcome as a function of X It…
1. Question 1 What is the difference between a simple regression model and a multiple regression model? 1 point A simple regression model can handle only limited amounts of…
8. Question 8 In the regression demand equation E(log〖(Sales) | Price))=11.015 -2.442 log(Price)〗, at a price of $1, what is the expected value of sales? The log here, is the…
10. Question 10 If, in a multiple regression of the price of a diamond against the two predictor variables, weight and color, the R2 of the regression was 0.985, then…
7. Question 7 Given the fitted the regression equation of E(Price │ Weight) =-260 + 3721 ⨯ Weight and an RMSE from the regression of 32, then which of the…
3. Question 3 If the simple regression for the expected price (in US$) of a diamond given its weight (in carats) is modeled as E(Price │ Weight) = -260 +…
