Mathematics, 16.07.2019 17:20 Fangflora3
19 subjects take part in a math exam, followed by an intervention and a post-test. from their pre-test/post-test difference scores, there was a mean difference of 13.19, with a standard deviation of 22.3. calculate the 95% confidence interval of the difference. round your final answer to two decimal places.
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19 subjects take part in a math exam, followed by an intervention and a post-test. from their pre-te...
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