An Instructor Has Decided to Graphically Represent the Grades on a Test.The

question 63

Multiple Choice

An instructor has decided to graphically represent the grades on a test.The instructor uses a plus/minus grading system (i.e., she gives grades of A-, B+, etc.) .Which of the following would provide the most information for the students?

• A)a histogram
• B)a stem and leaf plot
• C)a cumulative frequency distribution
• D)a frequency distribution
• E)a scatter plot

---

Definitions:

Sum of Squares for Regression

A measure in statistical analysis that quantifies the variation in a dependent variable explained by one or more independent variables.

SSR

Sum of Squares due to Regression, a measure used in statistical analysis to determine the variance explained by a linear regression model.

Economics

The social science that studies how individuals, governments, firms, and nations make choices on allocating resources to satisfy their wants and needs.

Income

The amount of money or its equivalent received during a period of time in exchange for labor or services, from the sale of goods or property, or as a profit from financial investments.