stats testing Flashcards
1
Q
what do scientists set out before starting an investigation?
A
a null hypothesis
2
Q
what is a null hypothesis?
A
a hypothesis that says there will be ‘no change/no difference’ to something
3
Q
what do stats tests help us decide?
A
if the null hypothesis is correct or not
– allows us to reject or accept it , and determine how significant our results are
4
Q
what is a P value?
A
P stands for probability
the p value is 0.05 (5%)
5
Q
what is p if our results are significant?
A
if p<0.05 there is significant correlation
6
Q
what is p if our results aren’t significant?
A
if p>0.05 there is no significant correlation
