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Juli2301 [7.4K]
3 years ago
6

HELP PLEASEEEEEEEE!!!!!!!

Mathematics
2 answers:
Andrew [12]3 years ago
7 0

Answer:

7

Step-by-step explanation:

We\ know\ that\\ Mean=\frac{Total\ Sum\ of\ observations}{Total\ number\ of\ observations} \\Here,\\Total\ Sum\ of\ the\ given\ observations\ are :\\9+9+2+8+9+8+7+8+3\\=63\\Total\ number\ of\ the\ given\ observations\ are :\\=9

Hence,\\Mean=\frac{63}{9}\\=7

Zielflug [23.3K]3 years ago
7 0
You would do

9+9+2+8+9+8+7+8+3 divided by 9

63/9=7
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PLZ HELP ASAP! WILL GIVE BRAINLIEST AND 30 POINTS!!
Elis [28]
ANSWER
Group A

Step by step explanation
I am bad at explaining things
If we want to find The group with the youngest age , we have to find the mean. The mean , means that we add up all the numbers ( the age) ,then divide them with how much number you added . For example, we add the age of group A 9+10+10+10+10+10+10+10+15+15+15+15+15+15+15+15+17+17+17+17+17+17+17+17+19+19+19+19+19+19=449
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The same go for group B
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Hello There!

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