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Unformatted text preview: Sums = 115 0.0 160.00 Mean = 115/25 = 4.6 Variance = 160 / (25-1) = 6.67 Stanard Deviation = Square Root of Variance = 2.58 Chapter 2 Table 2-3 Calculation of the Standard Deviation and Variance for the Computer Sales Data (Assuming a Sample)...
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- Spring '09
- Standard Deviation, observation number, Stanard Deviation