Statistics Flashcards
1
Q
what is the t-test used for?
A
used to compare mean values between two populations.
2
Q
what is chi squared used for?
A
used to compare an expected outcome to an observed outcome.
3
Q
what are statistical tests used for?
A
to determine if an observation/measurement is ‘significant’ or not.
4
Q
what does ‘significant’ mean in statistics?
A
if an observation/measurement is statistically ‘significant’, it means that the PROBABILITY of that observation/ measurement occurring BY CHANCE is very small.
