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  You will need to put together a one to two page descriptive statistics summary that contains the following elements:

Measures of central tendency for each of the variables by month and by year. 

a graph that displays the measures of central tendency by month and by year for the cost variable only.

Find the measures of variability for each of the variables by month and by year. 

a scatterplot for each variable of interest

e.    Explain what insights you can draw from the descriptive statistics you have put together. This should be detailed enough so that anyone could read your descriptive statistics summary and understand what story the data tells, but not so long that they lose interest.  

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