1.What is the nature of the effects of the factors studied in this experiment?1. What strategy would you use to reduce invoice errors, given the results of this experiments?

1) To make things simple we will clean data here, we can do this by assigning value 1 to big
buyers and value to small buyers and 1 for large customer size. In the same way, we can
give 1 to domestic buyers and 0 to foreign customer and 1 for specialty and 0 for
commodity.
Customer
Size
Customer
Location
Product
Type
Number
of
Errors
0 0 0 15
1 0 0 18
0 1 0 6
1 1 0 2
0 0 1 19
1 0 1 23
0 1 1 16
1 1 1 21
When we run regression on above data we have:
Coefficients Standard Error t...