Chi-squared Flashcards
1
Q
What are the two types of chi square test ?
A
Goodness of fit, and test of independence
2
Q
What is the formula for a Chi Sq test?
A
3
Q
What is the formula for the ‘expected’ value in a Goodness of Fit test?
A
4
Q
What is the formula for the ‘expected’ value in a test of independence?
A
5
Q
How do you calculate Degrees of Freedom in a Goodness of Fit test?
A
6
Q
A
A point in a Chi square distribution at V degrees of freedom with 95% of values below it.
7
Q
Describe a X^2 distribution
A
Note it is a Poisson distribution
8
Q
Describe the location of the critical value and critical region in a Chi-squared distribution
A
