Statistical Analysis of FFT Data

I need help with descriptive statistics for signal analysis using FFT data. I NEED SOMEONE TO COMPUTE THE SPECTRAL CENTROID FOR A NUMBER OF DATA SAMPLES I NEED SOMEONE TO COMPUTE A TRISTIMULUS MUSIC ANALYSIS OF THE SAME SAMPLES ALL OF IT CAN BE DONE THROUGH MATLAB OR PYTHON..... (Budget: $15 - $25 USD, Jobs: Data Analysis, Data Processing, Data Science, Data Visualization, MATLAB, Matlab and Mathematica, Python, Signal Processing, Statistical Analysis, Statistics)