A researcher found a statistically significant one point difference in mean ACT scores between students who studied on their own and those who attended a professional test-taking seminar. The researcher can conclude that

a. the means for the groups are statistically different from each other.
b. the professional training seminar produces considerably better ACT scores.
c. professional training is necessary for better ACT scores.
d. None of these is true.


ANS: A

Education

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Playgrounds should be surrounded by chain link fences and be covered with asphalt.

Answer the following statement true (T) or false (F)

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Which of the following conditions for declining the evaluation?

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