The Following Data Shows the Yield, in Bushels Per Acre

question 109

Essay

The following data shows the yield, in bushels per acre, categorized according to three varieties of corn and
three different soil conditions. Test the null hypothesis of no interaction between variety and soil conditions at a
significance level of 0.05. $$\begin{array} { c c c c } & \text { Plot 1 } & \text { Plot 2 } & \text { Plot 3 } \\\text { Variety 1 } & 156,167 , & 162,160 , & 145,151 , \\& 170,162 & 169,168 & 148,155 \\\text { Variety 2 } & 172,176 , & 179,186 , & 161,162 , \\& 166,179 & 160,176 & 165,170 \\\text { Variety 3 } & 175,157 , & 178,170 , & 169,165 , \\& 179,178 & 172,174 & 170,169\end{array}$$

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