The College Board National Office recently reported that in 2011-2012, the547,038 high school juniors who took the ACT achieved a mean score of 530 with a standard deviation of 123 on the mathematics portion of the test. Assume these test scores are normally distributed. d. How high does a student have to score to be in the top 10% of the high school juniors on the mathematical portion of the test?

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Q: On a nationwide math test, the mean was 72 and the standard deviation was 7. If Roberto scored 90,…

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.