Question: 1. Does attendance affect performance in a course? This study is based on REAL data from a STAT 252 class when course delivery was entirely

1. Does attendance affect performance in a course? This study is based on REAL data from a STAT 252 class when course delivery was entirely in person. On the day the midterm was returned in class (without any prior announcement), a large number of students were there to pick up their midterms, which is a clear indication that they were attending classes. The other students did not pick up their midterms, even though they were brought to class on 4 subsequent days, clearly indicating that they were not attending classes. The table below shows summary statistics for the midterm marks for those who attended and those who did not attend. Average marks are in percentages. Assume that all required assumptions are met for the required analysis.

Summary statistics Attend Not attend Average 86.25 69.88 Standard Deviation 14.04 22.64 Number of students 98 42] Length of feet in centimeters | Summary statistics | Right | Left 2470 2467 Standard Deviation Difference 0.07778 0.09718

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