- Given the SD, indicate numeric values for the variable that would be above or below the mean a) to an average degree, b) to an above average degree, and c) to an extremely above average degree. [2 points]
- Explain how variability is related to the accuracy of the mean for the variable (is a mean more or less accurate when variability is high?). Also explain how increasing the sample size would affect variability and accuracy of the mean. See pages 44 and 49. [2 points].
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