www.gusucode.com > stats 源码程序 matlab案例代码 > stats/TTestForAHypothesizedMeanExample.m
%% t-Test for a Hypothesized Mean %% % Load the sample data. Create a vector containing the first column of the % students' exam grades data. load examgrades x = grades(:,1); %% % Test the null hypothesis that sample data comes from a distribution with % mean |m = 75|. h = ttest(x,75) %% % The returned value of |h = 0| indicates that |ttest| does not reject the % null hypothesis at the 5% significance level.