Suppose a credit card company would like to determine if the type of credit card

Question

Suppose a credit card company would like to determine if the type of credit card influences the payment status of a customer's account. The following table indicates the card type for 200 randomly selected customers, along with the number of days their payments were overdue. Complete parts a. through c. below. EEB Click the icon to view the contingency table. 1.03 (Round to two decimal places as needed.) using ?: 0.01, find the chi-square critical value, ?& x13.28 (Round to two decimal places as needed.)

Explanation / Answer

SOLUTION :

Using the degrees of freedom = (r-1)*(c-1) = (3-1)*(3-1) = 2*2 = 4 and chi-square test statistics = 1.03

where r = number of rows and c = number of columns

we use Excel command as =CHIDIST(x,df)

In any empty cell enter command as , =CHIDIST(1.03,4) and then enter we get p-value= 0.905

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