## Determine the regression equation, Applied Statistics

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The file Midterm  Data.xls has a tab labeled "National Grid vs. Alcoa" which presents historical price data for two stocks.  Using the National Grid price as the X-value and the Alcoa price as the Y-value, we will perform a long-form regression analysis on this data.

•  Compute the values of, , SSXX, SSYY, SSXY.

•  Determine the regression equation.

•  Compute the standard error of the estimate se.

•  Determine 95% confidence interval for the price of Alcoa, , when the price of National Grid is at 60.

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