Chi Square Test Example Problems. Solutions 10 1 goodness of fit test in this section we consider experiments with multiple outcomes. The chi square test of independence and the 2 proportions test both indicate that the death rate varies by work area on the u s s.
A chi square test of independence revealed that gender is significantly related to pain report x2 1 n 90 4 04 p 05. Solutions 10 1 goodness of fit test in this section we consider experiments with multiple outcomes. σ means to sum up see sigma notation o each observed actual value.
A chi square statistic with n 1 degrees of freedom is computed as.
Therefore 6 6 24 2 6 24 0 0092. Doctors scientists engineers and those in ship operations are the safest with about a 5 fatality rate. Chi square example the test utilizes the chi square distribution where the null hypothesis declares no association between the two variables independence and the alternative being dependent as the example below illustrates. Test at alpha 05.
