The file P08_49.xlsx contains data on 400 orders placed to

The file P08_49.xlsx contains data on 400 orders placed to the ElecMart Company over a period of several months. For each order, the file lists the time of day, the type of credit card used, the region of the country where the customer resides, and others. Use a chi-square test for independence to see whether the following variables are independent. If the variables appear to be related, discuss the form of dependence you see.
a. Time and Region
b. Region and Buy Category
c. Gender and Card Type

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