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In: Statistics and Probability

the instructor of an english course is interested if there is a difference in mean grade...

the instructor of an english course is interested if there is a difference in mean grade on the tests between 2 classes

Mean 73.00 67.00
N 101 61
SD 10.50

11.00

  1. Is there a significant difference in the average grades of these two classes?
  2. Compute the power of the findings, explaining what it means (7 grades)
  3. What is the effect size? Interpret the effect size

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