Mathematics, 28.04.2021 18:00 hela9astrid
Helena scored a 75 on a history exam and an 80 on a science test. The class average
for the history test was 70 with a standard deviation of 2.5. The class average for
the science test was 75 with a standard deviation of 5. She believes that she did
better in science than history in comparison with her class. Explain her error
Answers: 1
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Helena scored a 75 on a history exam and an 80 on a science test. The class average
for the histor...
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