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Mathematics, 03.07.2019 07:00 mubasharshafiq1583

The mean length of 6 childrens' big finger is 12.6cm. the mean length of 8 adults' big finger is 16.7cm. what is the mean length (rounded to 2 dp) of these 14 people's big finger?

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The mean length of 6 childrens' big finger is 12.6cm. the mean length of 8 adults' big finger is 16...
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