Question: 2. The table below provides the year wise registered number of motorcycles according to BRTA in Dhaka city. Year Number 2005 2007 2009 2011

2. The table below provides the year wise registered number of motorcycles

2. The table below provides the year wise registered number of motorcycles according to BRTA in Dhaka city. Year Number 2005 2007 2009 2011 2013 2015 2017 13,362 14,520 24,675 35,195 28,086 46,758 75,251 a. Using not-a-knot cubic interpolation determine the number of motorcycles registered in the year 2012. b. Plot the motorcycle growth data using "interp1" function along with "spline". Show proper axis title and legend. c. Use "polyfit" and "polyval" function to predict the number of motorcycles in year 2018 using a 6th order polynomial.

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