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5 votes
Help help help........

Help help help........-example-1
User TroYman
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2 Answers

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Well this answer would be B
User Omkar Singh
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It should be B because if class average will increase then the cost of books will be increased. Therefore, class average will be independent variable and cost of books will be dependant.

Hope this helps you out... :)

User Matthias Oertel
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