Asked by Mineta 🍇
Two families with 6 members are randomly selected. Each of the family members took an IQ test. Their scores are as follows. Which of the two families has more consistent scores?
Family A: 109, 113, 117, 120, 128, 111
Family B: 120, 118, 115, 116, 119, 118
Family B is more consistent, because the range of their scores is higher than that of Family A.
The scores of both families are equally consistent.
Family A is more consistent, because the range of their scores is lower than that of Family B.
Family B is more consistent, because the range of their scores is lower than that of Family A.
Family A: 109, 113, 117, 120, 128, 111
Family B: 120, 118, 115, 116, 119, 118
Family B is more consistent, because the range of their scores is higher than that of Family A.
The scores of both families are equally consistent.
Family A is more consistent, because the range of their scores is lower than that of Family B.
Family B is more consistent, because the range of their scores is lower than that of Family A.
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Correct answer: Family B is more consistent, because the range of their scores is lower than that of Family A.
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