Discuss the below:
Q: The table below gives the times during working hours in a factory when a certain machine is not operating as a result of a breakdown:
TIME(MINUTES) NO. OF BREAKDOWN
0 - 9 3
10 - 19 10
20 - 29 31
30 - 39 29
40 - 49 15
50 - 59 8
60 - 69 4
Determine each of the following quantities (show all work):
1. MEAN
2. MEDIAN
3. MODE
4. INTERQUARTILE RANGE