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A principal in a school wanted to prove that the students that Graduate from her school have an average ACT score that is higher than
A principal in a school wanted to prove that the students that Graduate from her school have an average ACT score that is higher than the average ACT score in Idaho. She researched and finds out that the average ACT score in Idaho was 23. She takes a random sample of her schools graduate over the years and records their ACT scores. She finds a p-values of 0.01. Based on a significance leaves of 0.05 what should her conclusion be? A. There is sufficient evidence to show that the mean ACT score of her schools students is equal to 23. B. There is sufficient evidence to show that the mean ACT score of her schools students is less than 23. C. There is sufficient evidence to show that the mean ACT score of her schools students is higher than 23. D. There is insufficient evidence......is equal to 23. E. There is insufficient evidence........is higher than 23
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