TTEST in other languages:

The Polish translation of the Excel function TTEST is:

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TTEST

Syntax

TTEST(array1,array2,tails,type)

The TTEST function syntax has the following arguments (argument: A value that provides information to an action, an event, a method, a property, a function, or a procedure.):

If type equals This test is performed
1 Paired
2 Two-sample equal variance (homoscedastic)
3 Two-sample unequal variance (heteroscedastic)