A researcher hypothesized that the people are more likely to be aggressive when they are criticized. The researcher randomly assigned participants to two groups: 1) group 1 whose essay was given a negative rating (experimental condition) and 2) group 2 whose essay was given a positive rating (control condition). Then the researcher monitored how many loud blasts the participant delivered in a confederate's earphones in the next room. One person dropped out so there were 8 (n1 = 8) participants in the experimental group and 7 people (n2 = 7) in the control condition. The alpha = .05. 29. What is the correct statistical test to evaluate the hypothesis?30. State the null and alternative in notation form. Null: Alternative: 31. Is this a directional or non-directional hypothesis? 31. What is the critical value