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Unformatted text preview: Suppose your percentages on the first two math exams were 80 and 95. What grade do you need on your next exam to have a 90 average? Range Difference between the greatest and the least data values. Find the Mean and the Range of each data set 25 30 30 47 28 34 28 31 36 31 Spread: HOMEWORK: Page 121 (113)...
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 Spring '09
 Johnson
 Algebra

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