Given the data below, what is the average of the difference scores? Pretest Posttest 80 89 75 75 81 92 94 56 50 64 69 78 78 4 80.6 74.4 78.4

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A: SolutionGIVEN DATA IS      MARGIN OF ERROR= E = 0.09  LEVEL OF CONFIDENCE= 80%  CRITICAL VALUE= Z =…

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A:

Q: Complete the following missing numbers (calculated F, P-value, and F critical) one-factor…

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A: Answer:Sample Mean ():

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A: Given ,

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