# Is there a formula for stratified sampling?

##### 1 Answer

Mar 2, 2016

#### Answer:

Yes, there is a formula for stratified sampling.

#### Explanation:

The formula for stratified sampling is as follows:

The formula is used to find the amount of people that exhibit a certain trait within a population.

For example, in a class of 40 students, in which 15 are male, and 25 are female, find the number of male students which, out of a sample of 5, got the highest grades.

Thus: