Make a column of categorical data for Age Level. Code just two levels: $25$ and under, $26$ and older.

Make a column of categorical data for Discount level. Code these levels: $5$ or less, $6$ to $10,11$ to $15,16$ and higher.

Perform Naive Bayes. Put the two variables you just made, plus sex into the X$,$ factor box.

Report the accuracy, specificity, sensitivity$,$ and precision rates on the validation data of this model.

Hint: always do this on the validation data set.

Write your answers with $2$ digits after the decimal, including any leading and trailing zeros.$$ If your answer is fifty percent, write $0\mathrm{.}50.$