[Solution Library] A random sample of 36 seniors in high school shows that the difference in aptitude scores after taking an SAT-preparatory program is 700 points.
Question: A random sample of 36 seniors in high school shows that the difference in aptitude scores after taking an SAT-preparatory program is 700 points. Determine whether this difference is significant at the 1% level of risk. Use the t test to decide whether the program seems to be successful. Show your procedure and explain.
Test Statistic t =
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