What are my residuals for this scatter plot? And how do i create a residual plot?

A residual is the difference between what is plotted in your scatter plot at a specific point, and what the regression equation predicts "should be plotted" at this specific point. ... A residual is the difference between the observed y-value (from scatter plot) and the predicted y-value (from regression equation line).

Step-by-step explanation:

Residual Plot. A residual plot is a graph that shows the residuals on the vertical axis and the independent variable on the horizontal axis. ... The first plot shows a random pattern, indicating a good fit for a linear model.

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have