Q-6: Plot the data given in the(Example (4) of Lab session -7)by adding 3rd and 6th order polynomials, also determine the followings from the best-fitted polynomial: 6-a)The value of y,

for corresponding x=13 6-b) Write the equation from the best fitted polynomial 6-c)Describe the r2 of this polynomial. 6-d)Excel, find the Equation of Polynomial 3rd and 6th order. 6-e)Using polyfit, write the Equations for 3rd and 6th order as well.