This is the table from the video, just neatly organized and in a frequency table. Show your work.
40 42 51 65 70 70 72 74 74 74 74 74 74 75 75 76 76 76 76 76 76 76 76 77 77 77 77 77 77 77 77 78 78 78 78 78 78 78 79 79 79 79 80 80 80 80 80 80 80 80 80 80 81 81 81 82 82 82 82 82 82 82 83 83 83 83 83 83 83 83 83 84 84 84 85 85 85 85 85 85 85 85 85 85 86 86 86 86 86 87 87
87 87 87 87 87 87 87 87 87 87 87 87 88 88 88 88 88 89 89 89 89 92 92 92 92 95
Real interval
39.5-49.5
49.5-59.5
59.5-69.5
69.5-79.5
79.5-89.5
89.5-99.5
X
40-50
50-60
60-70
70-80
80-90
90-100
f
2
1
3
46
60
5
cf
2
3
6
52
112
117
c%
2
3
5
44
96
100
1. What is the mode?
2. What is the median?
3. What is the precise median?
4. What is the mean?
5. Based on the results, how would you describe this distribution? Is it skewed (+ or -) or symmetrical?
