Question
Raul received a score of78on a history test for which the class mean was 70 with a standard deviation of3. He received a score of70on
Raul received a score of78on a history test for which the class mean was 70 with a standard deviation of3. He received a score of70on a biology test for which the class mean was 70 with standard deviation6. On which test did he do better relative to the rest of the class?
biology test
history test
the same
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Probability and Stochastic Processes A Friendly Introduction for Electrical and Computer Engineers
Authors: Roy D. Yates, David J. Goodman
3rd edition
1118324560, 978-1118324561
