A manufacturing plant wants to see whether or not the method in which
their customer orders are taken, affect their total sales on an average
day. Below shows a table of data they have recorded data from their
customer service department:
Service person
Phone Orders Taken
EDI (electronic data info) Orders Taken
Total Sales
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
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