Email is an effective and professional method of communication, and it is important that college students check their email every day. Of interest in this project is to determine the level of the relationship between the number of emails received in a day and the total amount of time it took the student to read her emails. More specifically, we want to determine the correlation between the number of emails received in a day and the total amount of time it took the student to read her emails, and to use the number of emails to predict the total amount of time it takes the student to read her emails each day. Required:
One of the variables in the study is the number of emails received each day. What type of variable is this?