A school has 500 students; 320 of them are boys.
A survey has to be conducted on a sample of 25 students representing each of the two genders according to their real number’s size.
Find the number of students from each gender representing the segment in the sample.
There is a total of 500 students and we want a total sample size of 25 students.
To calculate the number of boys in the sample, we use the following formula:
So, the number of boys in the sample is 16. This calculation was for a sample of 25 students. So, the remaining students in the sample are girls.
There are 16 boys and 9 girls in the sample.