Mathematics, 15.01.2020 23:31 zakwanasim123

Based upon extensive data from a national high school educational testing program, the standard deviation of national test scores for critical reading was found to be 115 points. if a sample of 500 students are given the test, what would be the standard error of the mean? (rounded to the nearest 100th)

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Based upon extensive data from a national high school educational testing program, the standard devi...