A class tracked the number of hours each student plays video games in a week. answer the questions below.

1 XX
2XXX
3
4X
5XX
6XX
7X
8XX
9X
10

Based on the data in the plot, calculate and show work for a-e.

a) find the mean.
b)find the median.
c)find the mode.
d)find the range.
e)what percentage of the students play video games for more than 4 hours (round to the nearest tenth)?

Anew obstacle course is home to several new types of challenging obstacles. one such obstacle is traversing a 15-stair staircase. to make it more challenging, the stairs are not uniformly spaced. rather, the vertical space between consecutive stairs for the first 10 stairs is 113 feet and the vertical space for the last 5 stairs is 134 feet. what is the total vertical distance traveled ascending and descending the entire 15-stair staircase?