To work out the median, we firstly rearrange these numbers into numerical order:
3 6 9 10
The middle number is the median. However, in this example, there is no middle number, so we take the mean of 6 and 9 (mean: (6+9)/2=7.5). So the median is 7.5
Sample size: 12 Sorted sample: 3, 5, 6, 6, 7, 7, 8, 9, 9, 9, 10, 10 Middle numbers: 7, 8 Average of middle numbers, known as median: 7.5
Median of the set = arithmetic mean of 8 and 9 = 8.5
The median is 7.5
It is 8.
5.5
Sample size: 12 Sorted sample: 3, 5, 6, 6, 7, 7, 8, 9, 9, 9, 10, 10 Middle numbers: 7, 8 Average of middle numbers, known as median: 7.5
Median of the set = arithmetic mean of 8 and 9 = 8.5
The median is 7.5
median = 8 mean = 7 mean < median.
It is 8.
8
8.5
5.5
8. In order: 4, 6, 7, 9, 10, 12 6 data items so median is mean of middle two: median = (7+9)/2 = 8.
3, 3, 5, 9, 10
6
Median: 8 Mode: 8, 9 Range: 6