SHSAT Math Quiz
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DATA ANALYSIS AND STATISTICS
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A student recorded the number of books read by classmates over summer break. When arranged in order, the data set is: 2, 3, 5, 7, 9, 12, 15. If two additional students report reading 6 books and 8 books respectively, what is the difference between the new median and the original mean, rounded to the nearest tenth?
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