4. An instructor makes three different versions of a Chapter Test for her Algebra class. These are copied onto three different colors of paper to help the instructor sort the exams before grading. There are 30 students in the class. Ten are given the yellow exam, 10 get the pink exam, and the remaining 10 get the green exam. She will use an Analysis of Variance (ANOVA) test to determine whether she can conclude that there is a difference between the difficulty level of the three exams. a) What, if any, action is she likely to take if the hypothesis test leads her to Reject Ho ? (5 points ) b) What, if any, action is she likely to take if the hypothesis test leads her to Fail to Reject Ho ? (5 points) ) If you entered the data I sent you in advance, the data setsarein L; , L, , and L3. Perform a hypothesis test to determine if there is evidence that there is a difference in difficulty level between the three versions of the Chapter Test. (10 points) For this hypothesis test I expect to see the following: The null and alternative hypothesis Your sample means The test statistic, F, of your sample data. The p-value of your test statistic Whether you Reject Hyg or Fail to Reject Hy A conclusion in 'Plain English'. This likely will contain the phrase \"statistically significant\" and a p-value but will otherwise read like something that a person without a statistics class would understand. 2 2 32 32 30 28 28 26 25 26 27 26 5 27 9 30 30 52 34 36 31 40 25 35 35 | 27 37