The null hypothesis states that students who attended the review session scored no differently on the final exam than students who did not attend. This is in contrast to the alternative hypothesis that suggests a difference in exam scores based on attendance at the review session.
The null hypothesis would be: Students who attended the review session scored no differently on the final exam than students who did not attend the review session.
When conducting hypothesis testing, the null hypothesis typically states that there is no effect or no difference between groups being compared. In this case, it suggests that attendance at the review session does not impact final exam scores.
In contrast, the alternative hypothesis would be that there is a difference in final exam scores between students who attended the review session and those who did not attend.
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