What is the value of B, the adjusted R-squared?
Blog
In simple linear regression, we test the null hypothesis tha…
In simple linear regression, we test the null hypothesis that
When transforming a categorical variable into dummy variable…
When transforming a categorical variable into dummy variables, the dummy variables are distributed uniformly between 0 and 1 across the range of N, where N is the sum of all sample sizes across the k samples.
In linear regression, the coefficient of determination, , i…
In linear regression, the coefficient of determination, , is between 0 and 1 and increases when the sum of squared errors (SSE) decreases.
In ANOVA, the mean sum of squared treatments (MSSTr) is a me…
In ANOVA, the mean sum of squared treatments (MSSTr) is a measure of the within-group variation.
In linear regression, the predicting variables and the respo…
In linear regression, the predicting variables and the response variable are all random variables.
In ANOVA, the greater the value of the F ratio (MSTr/MSE),
In ANOVA, the greater the value of the F ratio (MSTr/MSE),
Part 2 – Multiple Choice
Part 2 – Multiple Choice
We will find significant differences across the means if the…
We will find significant differences across the means if the between-group variability is smaller than the within-group variability in ANOVA.
A high Adjusted R-squared value does not mean that a linear…
A high Adjusted R-squared value does not mean that a linear regression model is a good fit to the data set used to estimate the model.