As Dr.Trelawny marks the first three midterms for her class,she notes that the grades are very high.She then thinks that this class must be exceptionally bright.What is Dr.Trelawny using to make this illogical assumption

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Dr.Trelawny is using the belief in the law of small numbers, which is the tendency to make generalizations based on a small sample size. She is assuming that the high grades on the first three midterms are indicative of the entire class's performance, rather than recognizing that it could just be an outlier or lucky streak.

As DrTrelawny Marks the First Three Midterms for Her Class,she Notes