Test if a data distribution follows a Gaussian distribution in MATLAB

Question

I have some data points and their mean point. I need to find whether those data points (with that mean) follows a Gaussian distribution. Is there a function in MATLAB which

Answer 1

For testing in general, look up the Kolmogorov-Smirnov Test, also in the Stats Toolbox, as kstest and the two-sample version: kstest2 . You feed it your empirical data, (and the data from a possible function, like the gaussian, etc...) then it tests the likelihood that your sample was pulled from the normal distribution (or the one you supplied for the two-sample version)... The nicety is that it'll work for any possible distributions...