| The following table gives the distribution of educational level for persons age 25 and over in the US in 1991. The class intervals include the left endpoint, but not the right. |
Years of Schooling 1991 (%s)
----------------------- -----------
0-5 2
5-8 4
8-9 4
9-12 11
12-13 39
13-16 18
16 or more 21
Draw the histogram and compute as close as possible the
AVE, SD and Median from this table.