[填空题]
Two groups of 60 students each were asked how many movies zxsllr 21u mt458 ho2ct tbpi6o,t33n xhey have watched in the last month.The results for the first group are s 3xipo,3tt bn6hown 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.