TISTICS P.U.C. SECOND YEAR (PREPARATORY) From the following data, test whether 'education' and 'employment' are independent at \( 1 \% \) level of significance. \begin{tabular}{|l|c|c|} \hline & \multicolumn{2}{|c|}{ Employment } \\ \hline Education & Employed & Unemployed \\ \hline Educated & 20 & 25 \\ \hline Uneducated & 15 & 40 \\ \hline \end{tabular}
