Question
Raul received a score of73on a history test for which the class mean was 70 with a standard deviation of4. He received a score of79on
Raul received a score of73on a history test for which the class mean was 70 with a standard deviation of4. He received a score of79on a biology test for which the class mean was 70 with standard deviation10. On which test did he do better relative to the rest of the class?
biology test
history test
the same
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Advanced Engineering Mathematics
Authors: ERWIN KREYSZIG
9th Edition
0471488852, 978-0471488859
