3 The median is again indicated in each of the following sets of data. Does
your rule work for these data sets? If not, amend your rule to reflect any
patterns that you see.
Data
12,9,5,2
3, 5, 7, 8, 8, 10, 11, 12, 14, 20
10, 10, 10, 14, 17, 18, 19, 24, 26, 31, 35, 42
3,5,2,7, 18, 10, 14, 21, 15, 12
Median
7
9
18.5
11
8.6
6.2, 8.5, 9.3, 6.2, 8.7, 11.4, 9.3
10
0 1 2 2 3
12
1 2 3 3 4667
1250
13
222
34 89
Key: 12|3=1230
0 189
1
2269
2
348
Key: 2|3=2.3
1.4
4 Write down a rule for finding the median of a set of data.
5 Define median as used in statistics.