Name:
Examining Number Sets
Using the set of numbers find the mean (rounded to the nearest tenth), median,
A n s w e r s
mode and range.
1) 98 , 98 , 90 , 82 , 89 , 87
90.7 89.5 98 16
1.
Mean: 544 ÷ 6 = 90.7
Median: 82 , 87 , 89,
, 90 , 98 , 98
89.5
74 72 71 17
Mode: 98 = 2×
2.
Range: 98 - 82 = 16
2) 68 , 84 , 75 , 81 , 77 , 72 , 71 , 67 , 71
78.1 77 77 19
3.
Mean: 666 ÷ 9 = 74
Median: 67 , 68 , 71 , 71 , 72 , 75 , 77 , 81 , 84
43 43 43 17
Mode: 71 = 2×
4.
Range: 84 - 67 = 17
3) 82 , 89 , 77 , 77 , 81 , 77 , 72 , 70
88.5 87 86
8
5.
Mean: 625 ÷ 8 = 78.1
Median: 70 , 72 , 77 , 77,
, 77 , 81 , 82 , 89
77
71 73 74 8
Mode: 77 = 3×
6.
Range: 89 - 70 = 19
4) 49 , 39 , 43 , 43 , 52 , 40 , 35
15.6 16.5 23 19
7.
Mean: 301 ÷ 7 = 43
Median: 35 , 39 , 40 , 43 , 43 , 49 , 52
51 51 46 12
Mode: 43 = 2×
8.
Range: 52 - 35 = 17
5) 86 , 91 , 94 , 86 , 88 , 86
62.3 60.5 60 17
9.
Mean: 531 ÷ 6 = 88.5
Median: 86 , 86 , 86,
, 88 , 91 , 94
87
39 39 39 18
Mode: 86 = 3×
10.
Range: 94 - 86 = 8
6) 74 , 66 , 74 , 73 , 68
Mean: 355 ÷ 5 = 71
Median: 66 , 68 , 73 , 74 , 74
Mode: 74 = 2×
Range: 74 - 66 = 8
7) 16 , 9 , 11 , 23 , 23 , 17 , 22 , 4
Mean: 125 ÷ 8 = 15.6
Median: 4 , 9 , 11 , 16,
, 17 , 22 , 23 , 23
16.5
Mode: 23 = 2×
Range: 23 - 4 = 19
8) 51 , 46 , 58 , 46 , 54
Mean: 255 ÷ 5 = 51
Median: 46 , 46 , 51 , 54 , 58
Mode: 46 = 2×
Range: 58 - 46 = 12
9) 57 , 64 , 67 , 60 , 60 , 61 , 56 , 73
Mean: 498 ÷ 8 = 62.3
Median: 56 , 57 , 60 , 60,
, 61 , 64 , 67 , 73
60.5
Mode: 60 = 2×
Range: 73 - 56 = 17
10) 48 , 37 , 33 , 39 , 39 , 47 , 30
Mean: 273 ÷ 7 = 39
Median: 30 , 33 , 37 , 39 , 39 , 47 , 48
Mode: 39 = 2×
Range: 48 - 30 = 18
1-10 90 80 70 60 50 40 30 20 10 0
Math
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