Is This Difference Real or Just Luck?

Ask "Did sales really go up?" We check properly and answer Yes/No with a chart

Features

Upload sales before and after. Ask "did we really improve?" Get a Yes/No answer with proof.

Ask "did version B do better?" We check properly and show you.

You don't need to know test names. Just ask your question plainly.

No. Just ask "is this difference real?" We do the maths and answer plainly.

We handle the behind-the-scenes maths and translate - no need to know t-test or ANOVA names. We pick the right check and explain the answer simply.

We run real calculations on your actual file and show charts from your real data — no guessing, every number proven with a chart.

Yes. SPSS .sav files are fully supported.