5 pts Question 12 Activity 2 B: Step 4: Decide to reject or fail to reject the null. Edit View Insert Format Tools Table 12pt w Paragraph BIYA 2 TV : image1 161689 Imageo (jpeg imageorI4Jpeg O 75.F FIO FII F12 Prise Pause 0 U O69/quizzes/4501144/take Activity 2: California Bar Exam The State Bar of California is considering changing its exam structure such that instead of 200 multiple-choice questions, there will be 180. Before making any changes permanent. they first want to collect data to compare the outcomes of the two structures. They have obtained a representative sample of 85 Law students and randomly assigned each to take either the new or old exam. The summarized sample data is given in the table below. Exam N Mean SD New 42 65.9 5.9 Old 43 63.6 3.2 D Question 8 15 pts imageo tijpeg imagel phipeg imageo (12)peg S OActivity 2_B: Use the five-step hypothesis testing procedure given below to determine if there is evidence that the mean bar scores are different in the population at the 0.05 alpha level. If assumptions are met, conduct a t-test. Use Minitab; you should not need to do any hand calculations. Remember to upload all relevant Minitab output and to identify your answers. D Question 9 5 pts Activity 2_B: Step 1: Check assumptions and write hypotheses. For a hwonthesis test for two indenendent means what two assumptions must he met imaped citljpeg - imagel (jpeg imaged riENpeg O m 75F FB F11 F12 Prise DeQuestion 11 5 pts D Activity 2_B: Step 3: Determine the p value. Edit View Insert Format Tools Table 12pty Paragraph ~ B J U A 2 TV : insagro (4Jpeg 75F Clear PActivity 2_B: Step 1: Check assumptions and write hypotheses. For a hypothesis test for two independent means, what two assumptions must be met to use a t distribution? Are both assumptions met for the data above? Hand calculations are not required. Hint: See https:/online.stat.psu.edu/stat200/lesson/9/9.2/9.2.2 c Edit View Insert Format Tools Table 12pt Paragraph BIYAZT images cocoa O 75'F F9 F10 F11 Prise Pane STARSActivity 2_B: Step 5: State a "real world" conclusion. Edit View Insert Format Tools Table 12pt Paragraph BIYA 2 TV : ( Owords Imageo (Bijpea O F10 F12Test and Cl for Two. > X for Two Proportion. Worksheet 1 for Two Proporti Test and CI for Two Proportions Estimation for Difference Difference 95% Cl for Difference 0.201656 (0 081574, 0.321738] CI based on normal approximation Test Null hypothesis Alternative hypothein Hop - p. = 0 Method 7-Value P.Value Normal approximation Fisher's exact P Type here to search O W G HMethod Pat proportion where Sample 1 . Event P:: proportion where Sample 2 = Event Difference: P1 - Pi Descriptive Statistics Sample N Event Sample p Sample 1 114 96 0.642105 Sample 2 89 57 0 640449 P Type here to search O W E A S D G C V