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Mathematics, 12.08.2020 09:01, mazolethrin6876
In high school, a teacher gave two sections of a class the same arithmetic test. The results were as follows:
Section I: Mean 45, Standard
Deviation 6.5
Section II: Mean 45,
Standard deviation 3.1
What conclusions is correct?
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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