1. How can you get the intercept and slope parameter of a linearregression by OLS? Write down the formulae and explain how inpractice you get these numbers using the statisticalsoftware of your choice.
2. How do you interpret the parameters of the linearregression yE= x if × is abinary variable?
3. What's the relationship between the covariance, thecorrelation coefficient, and the slope coefficient of a simplelinear regression? Do they measure the same thing?
4. The phrase "Correlation doesn't mean causation" isoften stated. Argue why this statement should not be about themethod to measure association but the kind of data it isapplied to.
1. How can you get the intercept and slope parameter of a linear regression by OLS? Write down the formulae and explain
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1. How can you get the intercept and slope parameter of a linear regression by OLS? Write down the formulae and explain
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