calculations Flashcards
1
Q
c1v1=c2v2
A
e.g. c2 = c1xv1 / v2
2
Q
chi squared formula
A
E = expected value
O = observed value
X2= sum of (O-E)2 / E
3
Q
p values
A
The lower the p-value, the greater the statistical significance of the observed difference. A p-value of 0.05 or lower is generally considered statistically significant. u want to reject null hypothesis
4
Q
degrees of freedom
A
n-1
5
Q
A
