A research firm is commissioned to study the relationship between reported annual incomes and amount of formal education. The study compares each participant's annual income to the number of years the participant spent in school. The study finds that in general, more years spent in school correspond with higher annual incomes

Yes, they are true

Explanation:

These findings are true and have been proven through similar studies conducted by large institutions such as MIT. Looking at the graph attached below you can see the relationship between education and salary. The higher the education that is obtained, the higher the weekly amount earned is also. Which translates into higher yearly earnings. We can also see that the opposite relationship exists between education and unemployment. The higher the education level the lower the unemployment for that category.

answer; /// i believe the correct answer is (when one group has an extremely high score at pretest;

what words? are you talking about to complet what sentence