Mathematics, 06.01.2021 23:50 phancharamachasm
The mean length of 10 childrens' big finger is 8.1cm.
The mean length of 11 adults' big finger is 14.1cm.
What is the mean length (rounded to 2 DP) of these 21 people's big finger?
Answers: 1
Hence, 11.24 is the right answer.
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You know the right answer?
The mean length of 10 childrens' big finger is 8.1cm.
The mean length of 11 adults' big finger is 1...
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