Worksheet 4- Mean (Average) & Median

Answer Key

Student Name: ___________________________
Date: __________________________________

Instructions:  Teachers often use the averages from students' tests scores, quiz scores, and homework grades.  Then they average these three numbers to determine the final grade.  Find these averages to determine each students' final grade.

Student Test Scores Quiz Scores Overall Homework Final Grade (Average)
Derek 85
74
89
92		 70
84
86		 90
96
75		  
Average: 85 80 87 84
Linda 63
55
97
77		 91
94
79		 94
90
80		  
Average: 73 88 88 83
Ron 85
68
73		 88
88
100		 84
85
98		  
Average: 80 92 89 87

1.    What is the median of the following numbers:  95,   91,   81,   92,   and   81.
        B.    91

2.    What is the median of the following numbers:  3,   32,   33,   12,   35,   13,   24,   37   and   6.
        C.    24

3.    Find the median of the set of numbers:  5,   6,   28,   20,   33,   4,   32,   28,   25.
        D.    25

4.    Find the median of the set of numbers:  10,   12,   22,   26,   16,   36,   6.
        A.    16

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