Two-Sample Hypothesis
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Refer to the data in the table (attached) that lists SAT scores before and after the random sample of 10 students took a preparatory course. Is there sufficient evidence to conclude that the preparatory course is effective in raising scores? Use a 0.05 significance level.
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Solution Summary
Excel spreadsheet determines whether the evidence is sufficient to prove a course raises marks with a 0.05 significance level.
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