Table = readtable("practice3.xlsx");
a = Table.values;
a = sort(a);
hold on
cdfplot(a); % Make a plot of the empirical CDF
% fit the normal, lognormal, and weibull distributions to the data
pd_normal = fitdist(a,'Normal');
pd_lognormal = fitdist (a, 'Lognormal');
pd_weibull = fitdist(a,'Weibull');
% generate CDF values for each of the fitted distributions
cdf_n = cdf('Normal',a,pd_normal.mu,pd_normal.sigma);
cdf_l = cdf('LogNormal',a,pd_lognormal.mu,pd_lognormal.sigma);
cdf_w = cdf('Weibull',a,pd_weibull.A,pd_weibull.B);
% plot the three distributions cdfs
plot(a,cdf_n)
plot(a,cdf_l)
plot(a,cdf_w)
hold off
grid on
