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1. What are the advantages and disadvantages of performing a survey via mail? For what types of products or services would this be a good tactic to
1. What are the advantages and disadvantages of performing a survey via mail? For what types of products or services would this be a good tactic to use?
2. When multiple independent variables are used to predict a dependent variable in multiple regression, multicollinearity among the independent variables is often a concern. What is the main problem caused by high multicollinearity among the independent variables in a multiple regression equation? Can you still achieve a high r for your regression equation if multicollinearity is present in your data?
3. When multiple independent variables are used to predict a dependent variable in multiple regression, multicollinearity among the independent variables is often a concern. What is the main problem caused by high multicollinearity among the independent variables in a multiple regression equation? Can you still achieve a high r for your regression equation if multicollinearity is present in your data?
