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The Last Math Exam
| score |
frequency |
76
80
84
88
92
98 |
4
x
2
6
y
1 |
|
The table above represents scores for the last math exam. If the mean of the class was exactly 87, determine possible solutions for x and y. Explain your solution.
How many solutions exist? Why?
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Related External Resources |
Mr. E.Z. Grader
This problem asks the user to find the missing grade on a test that will produce a specific average.
 Submit your idea for an investigation to InterMath.
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