In order to understand the physical development of senior one students, it is planned to sample one class in senior one 10 according to the ratio of male to female students. The correct sampling metho

In order to understand the physical development of senior one students, it is planned to sample one class in senior one 10 according to the ratio of male to female students. The correct sampling method is as follows Choose two classes from Grade One 10.

The overall capacity (total number of classes) and sample capacity (random classes) are not large.

You can choose a simple random sampling lottery;

However, the development of senior one students is very different between men and women.

Therefore, the stratified sampling method can be used to extract male and female students to understand.

So choose C.