Question: A school is considering two different videos for a class. Students have been randomly assigned to two groups, and they all take the same written
A school is considering two different videos for a class. Students have been randomly assigned to two groups, and they all take the same written exam after viewing the video. The scores are summarized below:
Video 1: Sample mean = 75, sample standard deviation= 7.3, Sample size = 27
Video 2: sample mean = 82, sample standard deviation = 8.2, sample size = 23
Conduct an analysis to determine whether there is difference in the test scores for the two videos. Provide the degrees of freedom. Round to 4 decimal places. Attach the Excel file used.
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