[填空题]
Two groups of 60 students each were askedgz2g ) vxfx6- 8qx1b5.v qwqyt hi)v,ooaw5t .x ow many movies they have watched in the last month.The 5woa .)voit,xresults for the first group are shown in the following table.
The quartiles for these results are 4 and 6 .
1. Determine down the value of the median for these results.
2. Draw a box-and-whisker diagram for these results on the following grid.
The results for the second group are shown in the following box-and-whisker diagram.
3.Estimate the number of students in the second group who have watched at least 7 movies.