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The mean score for the treatment group is 7.1 (standard deviation of 1.0) and the...

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Algebra

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The mean score for the treatment group is 7.1 (standard deviation of 1.0) and the meanscore for control group is 8.4 (standard deviation 2.2). Calculate the effect size to determine the magnitude of the difference between the two groups.

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Transcribed Image Text

The mean score for the treatment group is 7.1 (standard deviation of 1.0) and the meanscore for control group is 8.4 (standard deviation 2.2). Calculate the effect size to determine the magnitude of the difference between the two groups.

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