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Question

A group of $60$ students took a chemistry quiz. The histogram for their scores is shown:

Histogram displaying chemistry quiz scores of 60 students, with midpoints A, B, C, and D marked at specific scores.

Four midpoints, $A$ , $B$ , $C$ , and $D$ , are marked on the histogram at scores of $45$ , $60$ , $65$ , and $75$ , respectively. Which of the four midpoints reasonably corresponds to a $z$ -score of $2.18$ ?

Accepted Answer

Answer

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A group of 6060 students took a chemistry quiz. The histogram for their scores is shown:Four midpoints, AA, BB, CC, and DD, are marked on the histogram at scores of 4545, 6060, 6565, and 7575, respectively. Which of the four midpoints reasonably corresponds to a zz-score of 2.182.18?

A group of $60$ students took a chemistry quiz. The histogram for their scores is shown:

Four midpoints, $A$ , $B$ , $C$ , and $D$ , are marked on the histogram at scores of $45$ , $60$ , $65$ , and $75$ , respectively. Which of the four midpoints reasonably corresponds to a $z$ -score of $2.18$ ?