The table to the right contains observed values and expected values in parentheses for two categorical variables, X and Y, where variable X has three categories and variable Y has two categories. Use the table to complete parts (a) and (b) below. (a) Compute the value of the chi-square test statistic. (Round to three decimal places as needed.) x x2 X3 30 42 46 Y1 (33.42) (41.61)(42.97) 19 19 17 Y (15.58) (19.39) (20.03)