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he test scores of the students in four classes are summarized below. Answer the questions about them.
Class A: The mean score is 123 and the range of scores is 26.
Class B: The mean score is 115 and the range of scores is 32.
Class C: The mean score is 114 and the range of scores is 28.
Class D: The mean score is 120 and the range of scores is 34.
(a) Based on the information above, which class has the lowest scores on average?
Class A
Class B
Class C
Class D
(b) Based on the information above, which class's scores have the most variability?
Class C has the lowest mean score out of them all meaning it has to have the lowest score. And Class D has the most range of scores meaning it has to have more variabitlity.
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