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n the ProbStatExams data, the Exam 2 average overall is about 74.45; the SD is about 23.84. Now, what is the standard deviation (to about

n the ProbStatExams data, the Exam 2 average overall is about 74.45; the SD is about 23.84. Now, what is the standard deviation (to about one decimal place) of the Exam 2 scores among students that scored 100 on Exam 1? Use the RMS-error of the regression line to estimate it

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