1
Q
When performing a chi square goodness of fit test the degrees of freedom is..
A
The number of proportions - 1
2
Q
When performing a chi square test for independence or homogenity the degrees of freedom is ….
A
(number of rows - 1) (number of columns -1)
3
Q
The formula for calculating the chi square test statistic is
A
(observed value - expected value)^2/expected value
4
Q
Goodness of fit expected counts
A
(n)(expected “p”)
5
Q
Expected values for test for independence and homogeneity
A
(sum row)(sum column)/(sample size) *USE MATRIX*
6
Q
To test whether proportions are the same for two populations, we use the..
A
Homogeneity Test
7
Q
To test if x and y are independent, we use the..
A
Test for Independence
8
Q
A
9
Q
A
