Question
Raul received a score of79on a history test for which the class mean was 70 with a standard deviation of4. He received a score of71on
Raul received a score of79on a history test for which the class mean was 70 with a standard deviation of4. He received a score of71on a biology test for which the class mean was 70 with standard deviation7. On which test did he do better relative to the rest of the class?
biology test
history test
the same
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A First Course In Discrete Mathematics
Authors: John C Molluzzo, Fred Buckley
1st Edition
1478634383, 9781478634386
