Suppose You Have Randomly Selected High School Students to Take

question 22

Multiple Choice

Suppose you have randomly selected high school students to take a course to improve their SAT scores.You find that the mean of their subsequent SAT scores is not significantly different from the population mean of SAT scores for those students who have not taken the course.Which of the following statements is the most appropriate conclusion?

• A)We have proven that the course does not affect SAT scores.
• B)We have obtained evidence consistent with the notion that the course has an effect on SAT scores.
• C)We have obtained no convincing evidence that the course affects SAT scores.
• D)The evidence suggests that the course may have an effect on SAT scores.

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