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The cumulative relative frequency plot shown above displays fifty AP Statistics mock exam scores.

Which of the following conclusions can be drawn from the graph?

A

If three or higher is considered a qualifying score (passing score), most students did not get a qualifying score on the mock exam.

B

$60\%$ of the students scored a four or higher.

C

About $30\%$ of the students scored a three.

D

$100\%$ of the students scored a five.

E

About $70\%$ of the students scored higher than a three.

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