8. The table shows employment data for Canadian manufacturing. A scatter plot and residual plot has been created for you on the next page. Note that the stock market crashed in 2008, Year Employment (1000s) 2008 1623 2009 1467 2010 1471 2011 1494 2012 1522 a) What graphical evidence is there of a hidden b) As the stock market crashed in 2008, the 2008 outlier variable (in the plot(s) below)? should be removed. According to the data and the output from the statistical software shown below (with the outlier removed), in what year should employment be expected 1640- to return to the 2008 level? 1620 1600 1580 X1 1560 2009 1467 Employment1000s 2010 1471 2011 1494 2012 1522 1460 2008 2009 2010 2011 2012 Year V1~ mx+ b STATISTICS RESIDUALS Residual R- = 0.9199 21 plot PARAMETERS 2008 2009 2010 2011 2012 IM - 18.8 b- -36308.9 Year - Employment1000s = -17.5Year + 3.669e+04; r2 = 0.19