Exhibit 1-4
In many universities, students evaluate their professors by means of answering a questionnaire. Assume a questionnaire is distributed to a class of 45 students. Students are asked to answer the following:
1. Sex
2. Race (African descent, Caucasian, Other)
3. Age
4. Number of hours completed
5. Grade point average
6. My instructor is a very effective teacher
-Refer to Exhibit 1-4. How many variables are in this data set?
A)3
B)4
C)5
D)6

Question

Exhibit 1-4
In many universities, students evaluate their professors by means of answering a questionnaire. Assume a questionnaire is distributed to a class of 45 students. Students are asked to answer the following:
1.  Sex
2.  Race (African descent, Caucasian, Other)
3.  Age
4.  Number of hours completed
5.  Grade point average
6.  My instructor is a very effective teacher
-Refer to Exhibit 1-4. How many variables are in this data set?
A)3
B)4
C)5
D)6

Quizplus · Accepted Answer

There are six variables in this data set: Sex, Race, Age, number of hours completed, grade point average, and effectiveness of the instructor. Therefore, the best choice is D.

Exhibit 1-4 in Many Universities, Students Evaluate Their Professors by Means of Means