Help I need to get this

Which of the following is NOT discussed in this excerpt?

A.

One can follow certain steps to learn to improve the quality of one’s life.

B.

Men are too easily lured by monetary gain.

C.

Authors have not addressed how humankind should earn a living through their literature.

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.