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Supposed the average score on the Mathematics portion of the SAT (Scholastic Aptitude Test) is 516 with a standard deviation of 95. Find the standard

Supposed the average score on the Mathematics portion of the SAT (Scholastic Aptitude Test) is 516 with a standard deviation of 95. Find the standard deviation of the distribution of mean scores if we take random samples of 100 scores at a time and compute the sample means (i.e. find the Standard Error of the sample means).

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