TABLE 14-7 The Department Head of the Accounting Department Wanted to See

question 181

Short Answer

TABLE 14-7
The department head of the accounting department wanted to see if she could predict the GPA of students using the number of course units (credits) and total SAT scores of each. She takes a sample of students and generates the following Microsoft Excel output:

-Referring to Table 14-7, the predicted GPA for a student carrying 15 course units and who has a total SAT of 1,100 is ________.

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Definitions:

Dependent Variable

A variable in scientific research or statistical modeling that is expected to change or respond when another variable (the independent variable) is altered.

Independent Variable

In an experiment, it is the variable that is manipulated or changed to observe its effects on the dependent variable.

Residual Analysis

The analysis of the residuals used to determine whether the assumptions made about the regression model appear to be valid. Residual analysis is also used to identify outliers and influential observations.

Regression Model

A statistical technique used to estimate the relationship between a dependent variable and one or more independent variables.