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Word Problem #3363
In Prof. Smith's management course the correlation between the students' total score before the final examination and their final examination scores is r=.06. The pre-exam totals for all students in the class have mean 280 and standard deviation of 30. The final exams scores have mean of 75 and standard deviation of 8. Prof Smith lost Suee's final exam but knows that her total before the esam was 300. He decides to predict her final exam score from her pre-exam total.
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