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    Correlation analysis

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    (1) Draw a scatter plot and a quantile-quantile plot based on these two variables.
    (2) Normalize the two variables based on z-score normalization.
    (3) Calculate the correlation coefficient. Are these two variables positively or negatively correlated?

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    Solution Summary

    This solution contains a step by step method for computing the correlation coefficient, normalizing the two variables and it also includes a scatter plot and quantile-quantile plot.