Courier Service Company Express-way provides service that allows someone to send parcels from one location to another
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Question:
Courier Service Company Express-way provides service that allows someone to send parcels from one location to another domestically. The real-time tracking system helps the company to track the number of riders needed for particular time periods (hours).
Table 2
Time (Hours) | Cumulative Frequency | Frequency, (the Riders) | | | | |
1 – 3 | 3 | |||||
4 – 6 | 10 | |||||
7 – 9 | 20 | |||||
10 –12 | 33 | |||||
13 – 15 | 52 | |||||
- Fill in frequency in the Table 2.
(2 mark) - Compute the standard deviation.
(5 marks) - Given that the mean of courier time for Express-way is 10.19. The standard deviation and mean of courier time of another company named Fast-delivery are 5.4773 and 12 respectively. Compute the coefficient of variation for both companies. Which company’s courier time is more dispersed?
- (5 marks)
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