Analyzing Residuals Answers

Find the residual values, and use the graphing calculator tool to make a residual plot.

What does a residual value of –0.8 mean in reference to the line of best fit?

Use the graphing calculator tool to plot the residual points.(1, 0.86), (2, –0.25), (3, –1.66), (4, –2.34), (5, –4.1)

Shanti wrote the predicted values for a data set using the line of best fit y = 2.55x – 3.15. She computed two of the residual values.

Consider the table showing the given, predicted, and residual values for a data set.

Which table of values represents the residual plot?

Points and their residual values are shown in the table.

Consider the table showing the given, predicted and residual values for a data set.

Miguel wrote the predicted and residual values for a data set using the line of best fit y = 1.82x – 4.3. He left out two of the values.

Consider the plot created from the residuals of a line of best fit for a set of data.