The contingency table to the right shows counts of the types of gasoline Weekday Weekend Total bought during the week and during weekends. (a) Find the value of chi-squared and Cramer's V for this table. Premium 32 29 61 (b) Interpret these values. What do these tell you about the association Plus 45 271 316 in the table? Regular 520 34 554 Total 597 334 931 (a) xz = (Round to two decimal places as needed.)