We appreciate your visit to A local tutorial franchise offers an SAT Prep course Students begin by taking a pre test After taking the course students take the SAT The. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!
Answer :
To test the claim that the Prep course produces an overall increase in scores, we can perform a paired t-test. The null hypothesis, denoted as H₀, assumes that there is no overall increase in scores, while the alternative hypothesis, denoted as H₁, assumes that there is an overall increase in scores.
Given the test statistic of -2.06 and a p-value of 0.0391, we compare the p-value to the significance level of 0.05. Since the p-value (0.0391) is less than the significance level (0.05), we reject the null hypothesis.
Therefore, we have sufficient evidence to support the claim that the Prep course produces an increase in scores.
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