Question: Based upon extensive data from a national high school educational testing program, the standard deviation of national test scores for mathematics was found to be

Based upon extensive data from a national high school educational testing program, the standard deviation of national test scores for mathematics was found to be 120 points. If a sample of 256 students are given the test, what would be the standard error of the mean? Question content area bottom Part 1 The standard error of the mean is enter your response here point(s)

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