Math 1040 Term Project Group 2 Stacey Perko Shanda Miller Stephanie Baker Ben Mansell Heidi Kaibetoney
Correlation of GPA Correlation of GPA and the hours of sleep- (Stacey) Correlation of GPA and the amount of hours worked during the week- (Heidi) Correlation of GPA and the number of hours spent studying- (Shanda, Ben, & Stephanie)
Our Study Design Finding answers to our variables: Simple random sampling Administered a random survey Salt Lake Community College Students on the College Campus Classrooms Hallways Common areas
Our Survey Questions What is your Current GPA as of fall 2011? How many hours on average do you sleep at night? How many hours on average do you study per week? How many hours do you work per week? (If you don’t work, please put zero.)
Data: GPA
Data: Hours of Sleep
Summary of Statistics and Frequency Histograms of GPA and Hours of Sleep nmeanVarianceStd. Dev.media n Rang e minmaxQ1Q3Std. Err. GPA Hrs of Sleep GPA Hours of Sleep
Box Plots and Scatter Plots GPA & Hours of Sleep GPA Hours of Sleep Correlation Coefficient Between GPA and hours of sleep is
Data: Hours Worked per Week
Summary of Statistics and Frequency Histograms of GPA and Hours Students Work nmeanVarianceStd. Dev.media n Rang e minmaxQ1Q3Std. Err. GPA Work Hrs GPA Hours Worked in a Week
Box Plots and Scatter Plots GPA & Weekly Hours Worked GPAHours Worked in a Week Correlation Coefficient Between GPA and Hours Worked in a Week is Mode: 3.0 Upper Fence: 4.75 Lower Fence: 1.95 Mode: 0 Upper Fence: 63 Lower Fence: -23
Data: Hours of Study in a Week
Summary of Statistics and Frequency Histograms of GPA and Hours Studied in a Week nmeanVarianceStd. Dev.media n Rang e minmaxQ1Q3Std. Err. GPA Study Hrs GPA Hours Studied in a Week
Box Plots and Scatter Plots GPA & Hours Spent Studying GPAStudy Hours Correlation Coefficient Between GPA and hours of sleep is Mode: 10 Outliers: 25
Conclusion Difficulties and Surprises Encountered