Please explain how to do this questionsThank You the final exam, the teacher had matched 9 students inthe first section with 9 students in the second sectionbased on their midterm grades. For example, a studentin the no-change section with an 89 on the midtermexam was matched with student in the change sectionwho also had an 89 on the midterm. The differencebetween the two final exam grades for each matchedpair was computed and the data showed that thestudents who were allowed to change answers scoringhigher by an average of M,= 7 points with SS = 288.a. Do the data indicate a significant differencebetween the two conditions? Use a two-tailed testwith a = .05.b. Construct a 95% confidence interval to estimatethe size of the population mean difference.c. Write a sentence demonstrating how the resultsof the hypothesis test and the confidence intervalwould appear in a research report. 14. There is some evidence suggesting that you are likelyto improve your test score if you rethink and changeanswers on a multiple-choice exam (Johnston, 1975).To examine this phenomenon, a teacher gave the samefinal exam to two sections of a psychology course. Thestudents in one section were told to turn in their examsimmediately after finishing, without changing anyof their answers. In the other section, students wereencouraged to reconsider each question and to changeanswers whenever they felt it was appropriate. Before

Name: Please explain how to do this questionsThank You the final exam, the t
Uploaded: 2024-03-20T07:07:37.000Z
Channel: Bartleby
Description: Please explain how to do this questionsThank You the final exam, the teacher had matched 9 students inthe first section with 9 students in the second sectionbased on their midterm grades. For example, a studentin the no-change section with an 89 on t