Question: View Policies Current Attempt in Progress The table below contains the results of a students' test before the course and after its completion. Student number

View Policies Current Attempt in Progress The table below contains the results of a students' test before the course and after its completion. Student number Score before Score after 1 64 72 2 45 60 3 34 59 4 76 80 5 55 87 6 68 78 7 47 67 8 58 63 9 81 96 10 60 72 11 50 68(a) Use the paired t-test to investigate the increase in scores owing to the course completion. Test the null hypothesis Ho: Ha = /before - Hafter = 0 against H1 : My

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