GMAT Critical Reasoning (CR) | Re: Some statisticians claim that the surest way to increase the

Some statisticians claim that the surest way to increase the overall correctness of the total set of one???s beliefs is: never change that set, except by rejecting a belief when given adequate evidence against it. However, if this were the only rule one followed, then whenever one were presented with any kind of evidence, one would have to either reject some of one???s beliefs or else leave one???s beliefs unchanged. But then, over time, one could only have fewer and fewer beliefs. Since we need
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