the class with greatest mean.will win prize. the.mean of eric class of 148$. the mean of natalia class is $ 152 .natalia sales total is $150.if natalia moves to.eric class mean.of both classes increases... explain how

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  1. natalia's sales total is below the mean for her class
    ... so if she moves to another class, the mean for her original class will increase

    natalia's sales total is above the mean for eric's class
    ... so if she moves to eric's class, the mean for the class will increase

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