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) 29 , 26 , 15 , 26 , 33 , 25 , 20 , 30
25.5 26 26 18
1.
Mean: 204 ÷ 8 = 25.5
Median: 15 , 20 , 25 , 26,
, 26 , 29 , 30 , 33
26
34 31 29 17
Mode: 26 = 2×
2.
Range: 33 - 15 = 18
2) 46 , 31 , 29 , 35 , 29
66.7 67 67
5
3.
Mean: 170 ÷ 5 = 34
Median: 29 , 29 , 31 , 35 , 46
27 29 19 22
Mode: 29 = 2×
4.
Range: 46 - 29 = 17
3) 65 , 64 , 68 , 69 , 67 , 67
67.4 67.5 75 18
5.
Mean: 400 ÷ 6 = 66.7
Median: 64 , 65 , 67,
, 67 , 68 , 69
67
43 42 42 20
Mode: 67 = 2×
6.
Range: 69 - 64 = 5
4) 41 , 30 , 31 , 20 , 19 , 19 , 29
25.2 26.5 29 12
7.
Mean: 189 ÷ 7 = 27
Median: 19 , 19 , 20 , 29 , 30 , 31 , 41
46 47 47 19
Mode: 19 = 2×
8.
Range: 41 - 19 = 22
5) 62 , 75 , 66 , 70 , 57 , 65 , 69 , 75
13.9 12
8 16
9.
Mean: 539 ÷ 8 = 67.4
Median: 57 , 62 , 65 , 66,
, 69 , 70 , 75 , 75
67.5
34 32 30 15
Mode: 75 = 2×
10.
Range: 75 - 57 = 18
6) 52 , 48 , 45 , 42 , 32 , 40 , 42
Mean: 301 ÷ 7 = 43
Median: 32 , 40 , 42 , 42 , 45 , 48 , 52
Mode: 42 = 2×
Range: 52 - 32 = 20
7) 29 , 26 , 27 , 29 , 23 , 17
Mean: 151 ÷ 6 = 25.2
Median: 17 , 23 , 26,
, 27 , 29 , 29
26.5
Mode: 29 = 2×
Range: 29 - 17 = 12
8) 47 , 37 , 46 , 55 , 47 , 36 , 54
Mean: 322 ÷ 7 = 46
Median: 36 , 37 , 46 , 47 , 47 , 54 , 55
Mode: 47 = 2×
Range: 55 - 36 = 19
9) 9 , 22 , 8 , 24 , 10 , 8 , 16 , 14
Mean: 111 ÷ 8 = 13.9
Median: 8 , 8 , 9 , 10,
, 14 , 16 , 22 , 24
12
Mode: 8 = 2×
Range: 24 - 8 = 16
10) 30 , 30 , 37 , 33 , 31 , 32 , 45
Mean: 238 ÷ 7 = 34
Median: 30 , 30 , 31 , 32 , 33 , 37 , 45
Mode: 30 = 2×
Range: 45 - 30 = 15
1-10 90 80 70 60 50 40 30 20 10 0
Math
8