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The average score on MidExam over the past years was 80. With a new teaching curriculum introduced, it is believed that this score will change.
The average score on MidExam over the past years was 80. With a new teaching curriculum introduced, it is believed that this score will change. A random sample of 16 students is selected and the mean score was found to be 75 with a standard deviation of 15. Assuming the scores are normally distributed, what is the corresponding p-value of the test?
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