Question: Please solve step by step and make tables Q5 (a): Isolate the trend, using the freehand and semi average methods, from the data given below:

Please solve step by step and make tables

Q5 (a): Isolate the trend, using the freehand and semi average methods, from the data given below: (05) Years 1 Quarter 2 Quarter 3 Quarter 4 Quarter 2000 505 327 400 425 2001 455 410 370 475 2002 470 435 375 500 2003 422 485 420 450 Q5 (b): Use Lagrange interpolation polynomial of the first and second order to evaluate f (2007) on the basis of the data given bellow (03) Year 2005 2008 2011 2014 2017 Price $72.34 $99.96 $61.95 $79.48 $94.88

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