Question: 2) What is the regression equation () = a + bX) for the association between number of friends and levels of social isolation? Show your

2) What is the regression equation () = a + bX) for the association between number of friends and levels of social isolation? Show your work with the following steps. Calculate the mean of X (X) [2.5 points] Calculate the mean of Y (1) [2.5 points] Calculate Z(x - x) [5 points] Calculate E(x - x)(y - y) [5 points]

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