Statistics
In the linear regression equation y = mx + b, what does 'b' represent?
If a regression model's residuals are randomly scattered around zero, what can be concluded about the model?
What is the primary purpose of a residual plot?
Given a dataset with an R² value of 0.60, what can be inferred about the relationship between the independent and dependent variables?
What is the effect of increasing the sample size on the variation of a dataset?
How can prediction intervals be used to support hypothesis testing?
