12
6
6?! 1-2 2-3 3-4 4-5 5-6 6-7
Points: (-6, -2) and (-3, -7) Slope: (-2--7)/(-6--3) = -5/3
1 (1) 3 (1 + 2) 6 (1 + 2 + 3) 10 (1 + 2 + 3 + 4) 15 (1 + 2 + 3 + 4 + 5) 21 (1 + 2 + 3 + 4 + 5 + 6) 28 (1 + 2 + 3 + 4 + 5 + 6 + 7) 36 (1 + 2 + 3 + 4 + 5 + 6 + 7 + 8) 45 (1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9) 55 (1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10) 66 (1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11) 78 (1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12)
The range is 6.
7 - 1 = 6
Median: 3 Mode: 1 Range: 6
16
12
3, 3, 5, 9, 10
Mean 5 Median 7.5 Mode 5 Range 4
2 3 4 6 6 5 5 6 3 7 6 8
Range = Maximim minus minimum = 11 - 2 = 9
3, 4, 5, 6, 7, 8, and 9.
(3/5) / (6/7) = (3/5) *(7/6) = (3*7)/(5*6) = 21/30 = 7/10
The range is the greatest in the set minus the smallest. Here, 7-3=4 so the range is 4.