a set of data relates to the amount of annual salary raise and the performance rating. The least squares regression equation is:
y= 1400 +2000x, where y is the estimated raise and x is the performance rating. which of the following statements is not correct?

a) for each increase of one point in performance rating, the raise will increase on average by $2000
b) this equation produces predicted raises with an average error of 0
c) a rating of 0 will yield a predicted raise of $1400
d) the correlation for the data is positive
e) all of the above are true

Question

a set of data relates to the amount of annual salary raise and the performance rating. The least squares regression equation is:
y= 1400 +2000x, where y is the estimated raise and x is the performance rating. which of the following statements is not correct?

a) for each increase of one point in performance rating, the raise will increase on average by $2000
b) this equation produces predicted raises with an average error of 0
c) a rating of 0 will yield a predicted raise of $1400
d) the correlation for the data is positive 
e) all of the above are true

anonymous · Answer

@pgpilot326

anonymous · Answer

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