In a studyr of the cognitive skills required for successful arguments. 62 psychology graduate students were equalfy divided into two groups. Group 1 was presented with arguments that always attempted to strengthen the favored position. Group 2 was presented with arguments that always attempted to weaken the nonlavored position. ltyou compare the mean ratings for the two groups with a small-sample t-test. assuming equal variances. determine the validity of this assumption at a: = 0.05. E Click the icon to View the summary statistics table. First determine the nult and attemative hypotheses. . 2 _ 2 H0131 02 Ha: a? i 0% The test statistic is P: 1.156. (Round to three decimal places as needed.) The pvalue is D (Round to three decimal places as needed.)