Respuesta :
The mistake he made was he asked friends that played video games not only during studying, but also during homework. In order for his test to have worked, he would have needed to only ask his friends that play video games while studying for tests.
Answer:
Correlation does not imply causation
Step-by-step explanation:
The fact that some students played computer games while studied and got high grades doesn't mean that the two variables are related because there is no cause-effect relationship between them.
One option is they got high grades because they are intelligent and don't need too much effort to pass the exam.