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The mean length of 6 childrens' big finger is 9cm. The mean length of 4 adults' big finger is 9.7cm. What is the mean length (rounded to 2 DP) of these 10 people's big finger?
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The mean length of 6 childrens' big finger is 9cm. The mean length of 4 adults' big finger is 9.7cm. What is the mean length (rounded to 2 DP) of these 10 people's big finger?

User Douglasr
by
7.6k points

2 Answers

3 votes

Answer:

(6*9)+(4*9.7)=92.8

92.8÷10= 9.28cm

User Augustin Popa
by
7.1k points
0 votes

Answer:

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Explanation:

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User Mr Nooby Noob
by
6.9k points
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