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In the population, ACT-Science scores have a mean of 20.8 and standard deviation of 5.7. A test prep company claims that students who complete their
In the population, ACT-Science scores have a mean of 20.8 and standard deviation of 5.7. A test prep company claims that students who complete their program have an average ACT-Science score greater than the national average of 20.8. In a random sample of 7 students who have completed the program, the mean ACT-Science score was 23.9. A right-tailed hypothesis test was conducted, which resulted in a 0.0751 p value.
Were the results of this study statistically significant at the 0.05 alpha level? Explain why or why not.
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