Raul received a score of 77 on a history test for which the class mean was 70 with a standard deviation of 4. He received a score of 79 on a biology test for which the class mean was 70 with standard deviation 8. On which test did he do better relative to the rest of the class?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Raul received a score of 77 on a history test for which the class mean was 70 with a standard deviation of 4. He received a score of 79 on a biology test for which the class mean was 70 with standard deviation 8. On which test did he do better relative to the rest of the class?

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