7'25 III LTE [1' Take Quiz Exit The number of valentine cards sold each day in a shop from Feb 1 (x=1) to Feb 10 (x=10) is described by the linear regression equation y = 365 + 24x. We nd out the prediction given by the model (the linear regression equation) is quite accurate for Feb 11, 12, and 13. If we are to estimate the number of valentine card sells on Feb 10 by using the linear regression, do you think it would be a good estimate? 0 Yes. The model works well for Feb 11,12, and 13, so it should be ok for Feb 10 as well 0 No, it would be extrapolation even though Feb 10 is not outside of the data range D Question 2 3.33 pts If you have a condence level of 99% for your analysis, what is the signicance level (alpha)? 0 We cannot tell 0 0.01 o 0.1