Given the data below: Xi4 1.02944 yix 7.15124 1.58884 9.71984 2.39314 9.12314 2.91364 7.3526 3.30934 5.90324 4.63254 4.99934 5.23984 4.74534 7.14784 9.25284 (a) What is the best mathematical model y=f(x) that you can think of to fit the above data?4 (b) Describe how to construct your model y=f(x) using least squares regression. (Note: you only need to describe the algorithm to compute the model parameters. No need to find the numerical solutions). Given the data below: Xi4 1.02944 yix 7.15124 1.58884 9.71984 2.39314 9.12314 2.91364 7.3526 3.30934 5.90324 4.63254 4.99934 5.23984 4.74534 7.14784 9.25284 (a) What is the best mathematical model y=f(x) that you can think of to fit the above data?4 (b) Describe how to construct your model y=f(x) using least squares regression. (Note: you only need to describe the algorithm to compute the model parameters. No need to find the numerical solutions)