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State the null and alternative hypotheses and alpha level -

Construct a regression model for predicting total charges from length of stay for DRG 105.

a. State the null and alternative hypotheses and alpha level.
b. Prepare a scatter diagram with the regression line for the two variables.
c. What are the r and r2? What is the importance of the r and r2 results?
d. What is the regression equation?
e. What are your conclusions?

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