Question

A local health agency is experimenting with two appeal letters, A and B, with which to raise funds. It sends out 400 of the A appeal and 400 of the B appeal (each subsample is divided equally among working-class and middle-class neighborhoods). The agency secures the results show in the following table.
a) Which appeal is the best?
b) Which class responded better to which letter?
c) Is appeal or social class a more powerful independentvariable?


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  • CreatedSeptember 17, 2014
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