Chi-squared test Flashcards
1
Q
What is the purpose of the Chi-squared test
A
to calculate whether the difference between the results we observe and the results we expected is signifi cant.
2
Q
what does the o represent in the Chi-squared test
A
O is the observed numbers
3
Q
what does the e represent in the Chi-squared test
A
E is the expected numbers
4
Q
How do you calculate degrees freedom?
A
The degrees of freedom is the number of categories (or classes) minus one
5
Q
What is the p-value in the chi-squared test
A
0.05
6
Q
When are Chi-squared test results significant?
A
X^2> critical value
7
Q
When are Chi-squared test results not significant?
A
X^2< critical value
