Question: Open the stock market data file called 2006Stocks. Create time series plots of the Dow and S& P. Both time series should be on the

Open the stock market data file called 2006Stocks. Create time series plots of the Dow and S& P. Both time series should be on the same graph. This graph helps to demonstrate that when variables are on very different scales (such as the Dow and the S& P 500), the first step in simplifying the data is often to standardize each variable.

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