An SRS of 450 high school seniors gained an average of x = 44 points in their second attempt at the SAT Mathematics exam

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An SRS of 450 high school seniors gained an average of x = 44 points in their second attempt at the SAT Mathematics exam

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An Srs Of 450 High School Seniors Gained An Average Of X 44 Points In Their Second Attempt At The Sat Mathematics Exam 1
An Srs Of 450 High School Seniors Gained An Average Of X 44 Points In Their Second Attempt At The Sat Mathematics Exam 1 (227.48 KiB) Viewed 129 times
An SRS of 450 high school seniors gained an average of x = 44 points in their second attempt at the SAT Mathematics exam. Assume that the change in score has a Normal distribution with standard deviation o = 28. Suppose we had an SRS of just 100 high school seniors. What would be the margin of error for 95% confidence? Give your answer to three decimal places. margin of error:
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