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Name _____________________________
Date ___________________
Mean
Find the missing number, n, in each data set.

1.   8, 166, 8, 172, 167, n, 99, 166, 116, 81, 38, and 18
mean  =  102
2.   127, 46, 43, 30, 153, 167, 29, 55, 142, n, 50, 74, and 57
mean  =  83
3.   40, 86, n, 35, 41, 123, 173, 48, 41, and 41
mean  =  80
4.   n, 168, 146, 146, 148, 25, 7, 127, and 165
mean  =  112
5.   107, 79, 94, 108, 36, 93, 93, 126, 21, 188, and n
mean  =  93
6.   87, 107, 29, 45, n, 87, 30, and 47
mean  =  65
7.   8, n, 122, 169, 35, 85, 111, 104, 195, 169, 26, 52, and 111
mean  =  94
8.   * This is a pre-made sheet.
Use the link at the top of the page for a printable page.
9.   121, 189, 124, 36, 28, 99, 98, n, 79, 103, 169, and 77
mean  =  101
10.   3, 147, 6, 5, 69, 156, n, 162, 70, 25, and 77
mean  =  73
11.   23, 155, 74, 109, 110, 75, 177, and n
mean  =  100
12.   185, n, 185, 185, 24, 115, 185, 24, and 134
mean  =  135
13.   n, 82, 83, 189, 105, 119, 148, 61, and 148
mean  =  113
14.   193, 9, 61, 9, 96, n, 19, 106, 9, and 9
mean  =  66
15.   175, 74, 127, 198, 169, 152, 78, 93, 137, 52, 82, and n
mean  =  112

 


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