Its different because when u add 645 and 738 it equals 1,382 and when u add 645 and 649 it equals 1,294 so 1,382 is the greater number and its different from 1,294<span />
Check the picture below.
make sure your calculator is in Degree mode.
Median is middle number mean is the most common number and range is the difference between the smallest and biggest number