APK Download Apps Education t test t test Latest Version APK

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Description

The Student t test is used for comparing themeans of two small samples (here, with sizes from 2 to 60).

To enter or change a text or a value, press on it, introduce thenew text or value, and press again on it to make effective thechange

Once data are been introduced, press button ONE TAIL or buttonTWO TAILS to obtain the results.
Use TWO TAILS if your work hypothesis is validated with deviationsin any of the two directions.
Use ONE TAIL if your work hypothesis is validated only in onedirection (p.e. You expect an improvement of patients after thetreatment).