The Following Data Shows the Yield,in Bushels Per Acre,categorized According

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.

The following data shows the yield,in bushels per acre,categorized according to three varieties of corn and three different soil conditions (Plot 1,Plot 2,and Plot 3).Assume that yields are not affected by an interaction between variety and soil conditions,and test the null hypothesis that variety has no effect on yield and that soil conditions have no effect on yield.Use a 0.05 significance level.