The Student Room Group

Statistics Student's T-test

I don't understand how b and c works out...
I thought degrees of freedom was n-1?
And I don't understand how the table of critical values work out...

Greatly grateful for all help:smile:
71F9EB6D-04D8-45A2-A0A3-5F06CA68FC36.jpg.jpeg
E8919DA8-4327-4809-9A75-26C995B63E51.jpg.jpeg
93C56E04-1937-4D60-85AF-B7BC8A6A8BC2.jpg.jpeg much better

Quick Reply

Latest