In what follows use any of the following tests/procedures: Regression, confidence intervals, one-sided t-test, or two-sided t-test. All the procedures should be done with 5% P-value or 95% confidence interval.
The empirical literature suggests that class absenteeism undermines students’ academic performance and that an enforced mandatory attendance policy may be beneficial.
Open Attendance data. Using data on 90 second-year students enrolled in a Statistics course, test if students who are assiduous in attending lectures have higher final grades than students who are usually absent.
1. What test/procedure did you perform? (5 points)
2. What is the P-value/margin of error? (5 points)
3. What is the Statistical interpretation? (5 points)
4. What is the conclusion? (5 points)
In what follows use any of the following tests/procedures: Regression, confidence intervals, one-sided t-test, or two-sided t-test. All the procedures should be done with 5% P-value or 95% confidence interval.
The empirical literature suggests that class absenteeism undermines students’ academic performance and that an enforced mandatory attendance policy may be beneficial.
Open Attendance data. Using data on 90 second-year students enrolled in a Statistics course, test if students who are assiduous in attending lectures have higher final grades than students who are usually absent.
1. What test/procedure did you perform? (5 points)
2. What is the P-value/margin of error? (5 points)
3. What is the Statistical interpretation? (5 points)
4. What is the conclusion? (5 points)
DATA:
absent assiduous 60 90 80 40 80 70 70 60 70 100 40 100 60 100 70 90 90 90 70 50 70 90 50 30 70 10 90 40 40 80 60 90 50 80 30 40 70 70 50 40 40 70 60 50 0 60 70 90 20 90 10 80 70 60 60 80 20 70 70 30 80 80 20 40 40 60 30 80 60 60 40 90 20 70 90 70 60 80 40 100 70 60 70 80 90 70 60 40
Get Answers For Free
Most questions answered within 1 hours.