Mathematics, 12.03.2021 16:30, dest8860
A chemistry teacher wants to improve exam scores by incorporating more interactive in-class activities. The mean exam score for all her previous classes is 68% with standard deviation 10%. After trying out the interactive in-class activities for her current class, this class got a score of 75%. There were 25 students in the class. She decides to calculate a 95% confidence interval for what the average exam score would be if she continued this method for all classes.
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