Crowdly
Додати до Chrome
Do SAT coaching classes work? Do they help students to improve their test score...
✅ Перевірена відповідь на це питання доступна нижче. Наші рішення, перевірені спільнотою, допомагають краще зрозуміти матеріал.
Do SAT coaching classes work? Do they help students to improve their test scores? In a study, eight students took a SAT exam a second time. Four of these students took an SAT coaching class. The other four students did not. The improvements in test scores over the first exam were recorded for each group.
Improvement |
1 | 2 | 3 | 4 | |
Coaching class | 90 | 100 | –30 | 40 |
No coaching class | 10 | 80 | 70 | –20 |
To analyse this data, we should use
❌
❌
❌
✅