Introduction
Welcome: Using Scatter Plots to Analyze SAT Scores and Overall College GPA
Description: A scatter plot is a graphic representation of two variables of data as a set of points in a plane. During this webquest you will create scatter plots using data and use them to make predictions.
Grade Level: 9-12
Curriculum: Statistics
Keywords: Scatter Plot, Line of Best Fit, Linear Regression, Prediction Equation, Slope, Rate of Change, Y-intercept
Task
When deciding whether to admit an applicant, colleges take lots of factors, such as grades, sports, activities, leadership positions, awards, teacher recommendations, and test scores, into consideration. Using SAT scores as a basis of whether to admit a student or not has created some controversy. Among other things, people question whether the SATs are fair and whether they predict college performance.
This study examines the SAT and GPA information of 105 students who graduated from a state university with a B.S. in computer science. Using the grades and test scores , can you predict a student's college grades?
Questions to Answer
Can the SAT scores be used to predict college GPA?