Answer:
Prediction.
Step-by-step explanation:
Inferential statistics can be defined as those statistics that help to conclude. These statistics does not limit to the sample data alone but extends beyond it. These data are used to draw conclusions, predict, or apply it to the population as a whole.
This technique helps to draw conclusion from the sample and make specialisation about the population.
This statistics help psychologists in prediction, the goal or purpose of it.
So, the correct answer is prediction.