Question 12.16 (pg. 597)

Is there evidence that the proportion falling in the three credit card response categories is not the same for all three years?

Degrees of freedom: df\displaystyle {d}{f} =

α=\displaystyle \alpha=

χ2\displaystyle \chi^{{2}} =

P-value = (Use the closest value given for P in the table)

Based on the above we choose to