Answer:
1. 5
2. 74
3. 73.
4. The median is better than the mean.
Step-by-step explanation:
Mean = (72+72+73+75+78) / 5
= 74.
Median = middle number of 72 72 73 75 78 which is 73.
There is nobody of height 74 so the median (73), which is the height of one of the players, is the better measure.