- #1

Matheus del Valle

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I'm checking the similarity of two methods for my research (a gold-standard method and another one which I need to check if it’s eficiente compared to the gold-standard) with student t test.

I have the following datas (N=3):

method 1 (gold-standard): 120, 347, 116;

method 2: 2603, 5203, 25011;

The result of one-tailed, independent samples student t test is p=0.11, which is bigger than 0.05.

So the test says that there's no significance differece between the two methods, but they are clearly different.

The t test is giving me a false result due to the small N number? Should I use another statistic test? Thanks.