Are the data Normal? ACT scores. Scores on the ACT test for the 2004 highschool
Chapter 0, Problem 3.49(choose chapter or problem)
Are the data Normal? ACT scores. Scores on the ACT test for the 2004 highschool graduating class had mean 20.9 and standard deviation 4.8. In all,1,171,460 students in this class took the test, and 1,052,490 of them had scores of27 or lower.5 If the distribution of scores were Normal, what percent of scoreswould be 27 or lower? What percent of the actual scores were 27 or lower? Doesthe Normal distribution describe the actual data well?
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