A scatterplot that appears as a shapeless mass of data points indicates ____.A) a curved relationship among the variablesB) a linear relationship among the variablesC) a nonlinear relationship among the variablesD) no relationship among the variables
The standard error of the estimate (Se) is essentially the ____.
mean of the residuals
standard deviation of the residuals
mean of the independent variable
standard deviation of the independent variable
In linear regression, we fit the least squares line to a set of values (or points on a scatterplot). The distance from the line to a point is called the ____.A) fitted valueB) residualC) correlationD) covarianceE) none of these options