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Unformatted text preview: 4 points 5. Calculate the mean and standard deviation. You should use the statistics features on your calculator to do this. Show y and y s as marks on the horizontal axis of the histogram. 4 points 6. A rough approximation of the standard deviation is range 4 . Calculate this and compare with the actual standard deviation you calculated in step 5. 2 points 7. The annual rainfall in 2005 for Orlando was 54.3 inches. Mark on the histogram where this data value would fall. Find the standardized value(zscore) for the rainfall in 2005. 4 points...
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 Fall '11
 Shaw
 Statistics

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