Twenty people apply for jobs as police officers .there are only 10 jobs available .they are given to the 10 people who are above the average height of those who applied .which average is this mean median node

This is the mean height of those who applied.

To determine which average is being used in this scenario, let's go through the steps:

1. Calculate the heights of all the applicants.
2. Find the average height, also known as the mean, of all the applicants.
3. Identify the median height of all the applicants.

The average being used in this scenario is the mean height of the applicants.