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Unformatted text preview: Mean = Sum of all data values Number of values = 80 + 76 + 100 + 83 + 100 5 = 439 5 = 87.8 points Warning : You must group or compute (process) the numerator before dividing by 5. You can do this by either placing grouping symbols like parentheses around the numerator, or by pressing ENTER or the like on your calculator before dividing. What would be wrong with entering the following on your calculator: 80 + 76 + 100 + 83 + 100 5 = ? Remember to write units, such as points, in your final answer where appropriate....
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- Fall '09