Stats tests Flashcards
1
Q
What is a null hypothesis?
A
states that the IV will have no effect on the DV
2
Q
What does it mean if a p value is below 0.05?
A
- probability differences are due to chance is less than 0.05 (5%)
- so results are significantly different
3
Q
What does it mean if a p value is above 0.05?
A
- probability differences are due to chance is more than 0.05 (5%)
- so results are NOT significantly different
4
Q
When would use a students t test
A
when comparing two separate sets of data and means
5
Q
When would you use a chi squared test?
A
when individuals ate in particular categories
6
Q
What is the null hypothesis for a chi squared test
A
there is/isnt a significant difference between the observed and expected frequencies