how to perform a two samples t test and a paired t test in matlab

main.m
data1 = [5 4 3 6 7];
data2 = [8 7 6 9 10];

[h, p, ci, stats] = ttest2(data1, data2);
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main.m
before = [5 4 3 6 7];
after = [8 6 4 9 10];

[h, p, ci, stats] = ttest(after, before); % Note the order of input here (after, before)
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