7 Suppose your teacher grades homework on a scale of 0 to 4. Your grades for
the semester are given in the following table.
Homework Grades
Grade
0
1
2
3
4
Frequency
5
7
9
10
16
a. What is your mean homework grade?
b. When computing your final grade in the course, would
teacher use your median grade? Explain.
rather have the
you.
c. Suppose that your teacher forgot to record one of your grades in the table
above. After it is added to the table, your new mean is 2.50. What was that
missing grade?