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The ages of two groups of dance students are shown in the following dot plots: A dot plot shows Age in years on the horizontal axis. For Group X, there are 3 dots on 4, 1 dot on 5, 5 dots on 8, 2 dots on 10, 3 dots on 12, and 2 dots on 16. For Group Y, there are 2 dot on 5, 3 dots on 7, 1 dot on 9, 3 dots on 11, 1 dot on 13, 2 dots on 14, 1 dot on 15, 1 dot on 18, 3 dots on 20, 1 dot on 22, and 2 dots on 24. The mean absolute deviation (MAD) for group X is 3.07 and the MAD for group Y is 5.25.

Which of the following observations can be made using these data?
Group X has less variability in the data.
Group X has greater variability in the data.
Group Y has a lower range.
Group Y has a lower mean.

2 Answers

2 votes

Answer:Group X has less variability in the data.


Explanation:


User Hgyxbll
by
8.9k points
7 votes
I did the test. The answer is "Group X has less variability in the data."
User Bmauter
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8.1k points
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