Social Studies, 26.12.2019 03:31 AgentPangolin
Astudent is deciding whether to take the sat exam a second time. he received a 540 on the verbal section on his first attempt. the mean score on the verbal section was 478 with a standard deviation of 92. it is expected that the mean of the next test will be a 485 with a standard deviation of 95. what is the minimum number of points that he would have to improve his score on his second attempt in order to better his performance on the first test
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