Question 18 A study was conducted to determine if a person\'s agreeability (whet

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Question 18 A study was conducted to determine if a person's agreeability (whether they are generally an agreeable person or not) affects their income level It also looked at the person's gender to see if it was a factor as well. The variables are shown below: Income: y annual income in dollars Agree: -agreeability level with higher scores indicating a person is more aggregable and lower scores indicating less agreeable Gender: x2-1 if male, O if female Use the following information to answer the multiple regression questions Printout C: Least Squares Linear Regression of Income Predictor Variables Coefficient Std ErrorTP Agree Gender x1x2 0977.18788.81 4.6 00000 5479.36 2643.95 1.07 02409 54225.1 12988.7 417 00001 8708.14 393483 -2.21 0.0293 R2 0.7626 Mean Square Error (MSE 6.047E+07 Adjusted R 0.7552 Standard Deviation 7700.00 Source Regression 31.B65E+10 .217E+09 10250 0.0000 Residual Total DF SS MS 6 5.805E+09 .047E+07 99 2.446E+10 As part of our residual analysis, we desire to take a look at what the plot of our best model looks like. Which residual plot would be the appropriste plot to look at O Plot the residuals Vs the y-hat values O Create a stem-and-leaf plot of the residuals Plot the y-hat values vs. the a?0eablity levels O Plot the residuals vs the agrecability leves

Explanation / Answer

As part of our residual analysis, we desire to take a look at what the plot of our best model looks like.

The residual plot that would be the appropriate plot to look at :

b) create a stem and leaf plot of the residuals.

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