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On a recent biology quiz, about 90 percent of students earned excellent scores, but the other 10 percent did very poorly. The shape of the...

On a recent biology quiz, about 90 percent of students earned excellent scores, but the other 10 percent did very poorly. The shape of the distribution of quiz scores is best described as:


A.symmetric


B.positively skewed


C.negatively skewed


D.bimodal

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