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Mathematics, 31.03.2020 02:46 gg68814
The mean score on a particular standardized test is 500, with a standard deviation of 100. To assess whether a training course has been effective in improving scores on the test, we take a random sample of 100 students from the course and find that the average score of this sample is 550. Which function would correctly calculate the 95% range of likely sample means under the null hypothesis?
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The mean score on a particular standardized test is 500, with a standard deviation of 100. To assess...
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