The Following Data Show Annual Income,in Thousands of Dollars,categorized According

Essay

The following data show annual income,in thousands of dollars,categorized according to the two factors of gender and level of education.Test the null hypothesis of no interaction between gender and level of education at a significance level of 0.05. $$\begin{array} { l c c } & \text { Female } & \text { Male } \\\text { High school } & 23,27,24,26 & 25,26,22,24 \\\text { University } & 28,36,31,33 & 35,32,39,28 \\\text { Advanced degree } & 41,38,43,49 & 35,50,47,44\end{array}$$