<p>In such areas as sports, ranking of individual performance is relatively well accepted since the parameters on which the rating are based are generally objective. No error E.</p>
<p>Shouldn't the beginning be, "In areas such as sports,"??</p>
<p>The actual error is that 'is' needs to be 'are'</p>
<p>“Is” is not suppose to be “are”; ranking is singular.</p>
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<p>Yeah…um, they’re right. You didn’t write it correctly. It’s “are” should be “is” since ranking is singular. </p>
<p>‘on which the rating is based’</p>