Suppose A study found that over 70% of teenagers in the sample reported feeling anxious before exams, with girls being more likely to experience anxiety than boys. The study also noted that students who had a history of high test scores tended to experience less anxiety compared to those who had lower test scores. Additionally, students who engaged in regular physical activity were found to have lower levels of exam anxiety overall.
Can we infer that "All students in the study had the same level of exam anxiety"?