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Unformatted text preview: 6. Assuming that these scores represent an entire population, what is the variance? Use raw score and deviation method. 25.28 7. Assuming that these scores represent an entire population, what is the standard deviation? 5.06 8. Assuming that these scores represent a sample, what is the variance? Use raw score and deviation method. 28.44 9. Assuming that these scores represent a sample, what is the standard deviation? 5.33 10. Compute s for the grouped frequency distribution below. The number of class intervals is only three. In order to simplify your work. Use both deviation and raw score method. Class Interval f 15  19 3 10  14 6 5  9 1 DID IN NOTEBOOK...
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 Spring '08
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