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The data set are given in pictures below, Please use MATLAB to solve. Thanks for helping 2. You are analyzing a dataset, PolyData.mat, that contains

The data set are given in pictures below, Please use MATLAB to solve. Thanks for helping image text in transcribed
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2. You are analyzing a dataset, PolyData.mat, that contains stress-related hormone data (1st row) as a function of time (2nd row) a. Use MATLAB to fit separate 3 th 20th. and 37th order polynomial functions to the data. Plot the data and each of your polynomial estimates on the same graph and label them. b. In three sentences or less, which of the above functions do you consider to be the best approximation of the data and why? c. Using MATLAB, fit an interpolating cubic spline to the data and plot the results overlaid with the data

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