AabbCCD Normal Note Level 2 .31 2. Consider the processed data below. (Paired t-test) a. State the null hypothesis.. b. What is the difference between the pretest and posttest scores? C. At 5 % level of significance, is the difference between the means significant or not based on the process data below?_ d. What is the decision? (Reject Ha.or Do not reject Ho? e. State your conclusion. Paired Samples Statistics Mean N Sid. Deviation Sid. Error Mean protest scores 19.95 3. 329 326 Pair 1 posttest scores 28.68 1.577 169 Paired Samples Test Paired Differences de Sig. (2- Mean Std. Sid. 95% Confidence Interval of tailed) Deviatio Error the Difference Mean Lower Upper protest scores Pair 1 postiest B.735 3.241 327 9.386 8.085 -26.677 1000 sooras yout View Sec Pages: 1 of 2 Words: 189 of 441