Stats test Flashcards
1
Q
What is spearmans rank used for?
A
Correlation (IV is continuous)
2
Q
What is T-test used for?
A
Difference in means
3
Q
What is a student t-test compared to a paired t-test
A
Student = 2 groups of data
Paired - 1 group
4
Q
What is chi-squared used for?
A
Difference between observed and expected
5
Q
If test is < or > CV?
A
> CV reject null
6
Q
What are the degrees of freedom for spearman’s rank?
A
n
7
Q
What is the degree of freedom for chi - squared?
A
n-1
8
Q
What is the degree of freedom for paired and student t-test?
A
Paired - (n-1)
Student = n1 +n2 -2