Your name: Points: out of 14 (Last name) (First name) Please scan your answers along with your work and upload the docum

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Your Name Points Out Of 14 Last Name First Name Please Scan Your Answers Along With Your Work And Upload The Docum 1 (56.09 KiB) Viewed 135 times

Your name: Points: out of 14 (Last name) (First name) Please scan your answers along with your work and upload the document to Canvas either in Word or in PDF format. I will not penalize minor rounding errors. Therefore, do not worry about rounding errors. Do show all the work that leads to your answers. Otherwise, you may not get the point. Q1. Suppose Dr. Seo is interested in the effect of attendance policy on his students' performance in his class in terms of the exam score. He did not take attendance at all in Year 1 but he enforced a strict attendance policy in Year 2. To minimize confounding, he attempted to maintain the same level of course difficulty, contents, teaching methods, etc. He randomly selected 10 students from each semester and wanted to compare the exam scores. Test the hypothesis that Ho: u1=uz against H1: u1 u2 first by hand using a calculator and then using SPSS program. Use a =.05. Give the probability statement after the statistical test is done. Exam scores of Year 2 class: 86 88 96 83 70 68 79 86 98 85 X = 83.9, s = 9.68) Exam scores of Year 1 class: 57 64 58 78 96 85 78 54 88 49 (X= 70.7, s = 16.31) = S= Grading Criteria for Q1 ( of 8 possible points) 1. ( ) of 1. Is the pooled estimate of population variance calculated correctly? 2. () of 1. Is the test statistic (t ratio) calculated correctly? 3. () of 1. Is the critical value reported correctly? 4. ( ) of 1. Is the decision (rejection or non-rejection of Ho) right? (Please indicate whether the attendance policy has made a difference based upon the findings of the data analysis) 5. () of 1. Is the probability statement correct? 6. () of 3. Attach an SPSS output in which the t-test results are reported (please edit the heading of the output to make your name included in the heading).