3 years ago

What can be used to show the difference in variation for two populations that have equivalent measures of center?

Mathematics

1 answer:

irakobra [83]3 years ago

4 0

1. C

2. D

3. A

4. A

5. C

6. A

7. Do yourself

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Answer:

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Step-by-step explanation:

Let the ages be x and x + 2 for Janine and her sister, respectively.

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Multiply both sides by the LCD, 21, to get rid of denominators.

21 * x/7 + 21 * (x + 2)/2 = 21 * 14

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x = 28

x + 2 = 30

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