Fitting a straight line to a set of data yields the prediction line Yi=2+4Xi. The values of X used to find the prediction line range from 2 to 28. a. Should this model be used to predict the mean...


Fitting a straight line to a set of data yields the prediction line
Yi=2+4Xi. The values of X used to find the prediction line range from 2 to 28.



a. Should this model be used to predict the mean value of Y when X equals
3​? yes, no , not enough information ?



b. Should this model be used to predict the mean value of Y when X equals
−3​? yes, no, not enough information?







Jun 07, 2022
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