Answer:
Quota sampling
Step-by-step explanation:
Quota sampling is the one of the kinds of sampling, which require or need the representative individuals or the persons are chosen or selected from a particular sub group.
For example, the researcher may ask for a sample of 100 persons which should be among the age or group of 40-50. It will be stated as quota sampling.
So, in this case, the company survey by taking the respondents of the school attending teenagers among the ages 12- 16. This will state the quota sampling.