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Scores on the Critical Reading Part of the SAT exam in a recent year were roughly Normal with mean 501 and standard deviation 112. you choose an SRS of 100 Students and average their SAT crigical reading scores. If you do this many times, the mean of the average scores you get will be close to
A) 112
B) 501/100 = 5.01
C) 501/ square root of 100 = 50.1
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for University Y, M = 4, S2 = 1.5; and for University Z, M = 6, S2 = 2.5. What should you conclude? Use the .05 level. (a) Use the steps of hypothesis testing, (b) figure the effect size for the study.
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