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Mathematics, 17.04.2020 02:50 acaciacoats
Two classes both have a mean test mark of 72. Class A marks have a standard deviation of 7.2. Class B marks have a standard deviation of 15.8. Which class has a greater range of marks?
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Two classes both have a mean test mark of 72. Class A marks have a standard deviation of 7.2. Class...
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