Question

Case 3 

Attendance and Grades  

A study conducted at ABC University revealed that students who attended class 95 to

100% of the time usually received an A in the class. Students who attended class 80 to

90% of the time usually received a B or C in the class. Students who attended class less

than 80% of the time usually received a D or an F or eventually withdrew from the class.  

Based on this information, attendance and grades are related. The more you attend

class, the more likely it is you will receive a higher grade. If you improve your

attendance, your grades will probably improve. Many factors affect your grade in a

course. One factor that you have considerable control over is attendance. You can

increase your opportunities for learning by attending class more often.  

Required Tasks: 

1. What are the variables under study?

2. What are the data set in the study?


 

3. Are descriptive, inferential, or both types of statistics used?


Explain.  

4. What is the population under study?


 

5. Was a sample collected? If so, from where?


 

6. From the information given, comment on the relationship between the variables.