MIS171 Lecture Notes - Lecture 6: Regression Analysis, Multicollinearity, Confidence Interval
8 Sep 2018
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Topic 6: predictive models part 2: multiple linear regression. Even if the f test shows the model overall is significant, we still need to check if all of independent variables individually are significant. A separate t test is conducted for each of the independent variables in the model. We refer to each of these t tests as a test for individual significance. Determine salary estimates for a management staff member with 5 years experience and a score of 80 on the aptitude test. We can be 95% confident that the true salary for a individual management staff member with 5 years experience and a score of 80 on the aptitude test will be between: We can be 95% confident that the true average salary for all management staff members with 5 years experience and a score of 80 on the aptitude test will be between: Multiple regression is a large and complex topic.
