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Let y number of parties attended in the past

Let y = number of parties attended in the past month and x = number of dates in the past month, measured for all single students at your school. Explain the mean and variability aspects of the regression model μy = α + βx, in the context of these variables. In your answer, explain why

(a) It is more sensible to use a straight line to model the means of the conditional distributions rather than individual observations and

(b) The model needs to allow variation around the mean.

(a) It is more sensible to use a straight line to model the means of the conditional distributions rather than individual observations and

(b) The model needs to allow variation around the mean.

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