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In a study with 30 grade-school children per group, students in the experimental reading program do 10 points better, on the average, than do students

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In a study with 30 grade-school children per group, students in the experimental reading program do 10 points better, on the average, than do students in the regular program. Therefore you can conclude that this difference is statistically significant. important. O statistically significant and important. O uninterpretable without additional information

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