What is the average number of books read by 30 students in a month if the data set consists of {10, 8, 12, 15, 7, 9, 11, 13, 14, 6, 10, 10, 12, 9, 12, 8, 7, 10, 11, 13, 10, 8, 9, 11, 12, 8, 7, 9, 13, 10}?
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What is the area of a triangle with side lengths 8, 10, and 12, using Heronβs Formula?
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What is the mode, median, range, and mean of the following dataset: 5, 5, 6, 7, 8, 10, 12, 15, 15, 15, 17, 18, 20?