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A Math Professor Is Trying to Determine If Her Students

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A math professor is trying to determine if her students' math grades are consistent with their grades in three other courses.She has 30 students who are all taking Math,Science,English,and an Elective course.She assigns scores of 4,3,2,and 1 for each grade of A,B,C,and D,respectively.Here's a regression model to predict the math grade based on the other courses:
Dependent variable is: Math
R-squared = 84.4% R-squared (adjusted)= 82.6%
s = 0.3789 with 30 - 4 = 26 degrees of freedom A math professor is trying to determine if her students' math grades are consistent with their grades in three other courses.She has 30 students who are all taking Math,Science,English,and an Elective course.She assigns scores of 4,3,2,and 1 for each grade of A,B,C,and D,respectively.Here's a regression model to predict the math grade based on the other courses: Dependent variable is: Math R-squared = 84.4% R-squared (adjusted)= 82.6% s = 0.3789 with 30 - 4 = 26 degrees of freedom -Here is the scatterplot of externally Studentized residuals against predicted values: Comment on what this diagnostic display indicates.
A math professor is trying to determine if her students' math grades are consistent with their grades in three other courses.She has 30 students who are all taking Math,Science,English,and an Elective course.She assigns scores of 4,3,2,and 1 for each grade of A,B,C,and D,respectively.Here's a regression model to predict the math grade based on the other courses: Dependent variable is: Math R-squared = 84.4% R-squared (adjusted)= 82.6% s = 0.3789 with 30 - 4 = 26 degrees of freedom -Here is the scatterplot of externally Studentized residuals against predicted values: Comment on what this diagnostic display indicates.
-Here is the scatterplot of externally Studentized residuals against predicted values: A math professor is trying to determine if her students' math grades are consistent with their grades in three other courses.She has 30 students who are all taking Math,Science,English,and an Elective course.She assigns scores of 4,3,2,and 1 for each grade of A,B,C,and D,respectively.Here's a regression model to predict the math grade based on the other courses: Dependent variable is: Math R-squared = 84.4% R-squared (adjusted)= 82.6% s = 0.3789 with 30 - 4 = 26 degrees of freedom -Here is the scatterplot of externally Studentized residuals against predicted values: Comment on what this diagnostic display indicates.
Comment on what this diagnostic display indicates.

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