Person Paper #3: Non parametric and Chi-square distribution
I worked for the logistic organization. My significant responsibility is at charge in the storage and transportation of parts of vehicles between two areas, which are about 1400 miles aside. One of my own jobs is definitely collecting items from suppliers and organizing the trucks to deliver all of them. There are five truck individuals, and each of them is designated to deliver on each of your weekday throughout a whole 12 months. Before the delivery, we will check the top quality of the products and Make sure that we now have no damaged goods. When ever arriving at the destination, the staff will examine the goods once again and record the broken goods that occurred in transit. At the end of each and every month, we all will pay pertaining to the settlement according to the number of the faulty goods. In order to reduce the quantity of the broken goods throughout the delivery, I have to identify why they are destroyed. In this analyze, I want to understand that whether some motorists are more at risk of make the merchandise damaged during their delivery.
Variable to become measured:
Two variables should be measured. The first changing is just the five truck individuals, and the second one is the quality of the goods following the delivery.
Perseverance of Human population:
Population in such a case is defined as the all merchandise delivered coming from Tianjin place to Guangzhou area.
To analyze relationship between the two variables above that happen to be both nominal in terms of data type, We decide to use Chi-squared test of a contingency stand.
The information about delivery is usually recorded in our computer system, such as delivery time, name from the driver, the amount of damaged items and so on. My spouse and i take out your data about 52 weeks throughout the previous yr and record them into the following desk:
Pickup truck Driver| Passed| Damaged| Total
Driver A| | |
Rider B| | |
Driver C| | |
New driver D| | |...