When the degrees of freedom of a chi-square statistic are small (for example,2),the shape of the sampling distribution will be _______.
A)extremely positively skewed
B)highly negatively skewed
As the degrees of freedom increase,the shape of the sampling distribution of the chi-square statistic will become more _____.
C)normal in shape
D)peaked in shape
The degrees of freedom for the chi-square statistic for the test of independence depends on the _____.
A)number of levels of both variables
C)number of levels of the independent variable
D)number of levels of the dependent variable
Using Table J,what decision would you make if you observed a chi-square statistic was 36.08 and your sample size was 20?
C)p>.01,fail to reject H0
D)need more information