RainProject

RainProject - 4 points 5. Calculate the mean and standard...

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STA 2023 Project 1 Statistics Rainfall Data The data shown below is the annual rainfall, measured in inches, for Orlando from 1973 to 2005. 45 45 66 41 46 46 54 59 46 50 49 38 56 55 51 54 44 50 46 50 41 32 29 46 61 49 52 54 64 55 41 40 1. What is the “who”? What is the “what”? Is this variable categorical or quantitative? 3 points 2. Make a histogram of the rainfall data. Label the appropriately scaled axes clearly. Please use graph paper. 5 points 3. In a couple of sentences summarize the distribution by describing its shape and estimating its center. 3 points 4. Give the five number summary of the data. Make a boxplot. Draw the boxplot directly above the histogram so that you use the same scale as the histogram.
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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(z-score) for the rainfall in 2005. 4 points...
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