A survey collected data of the average weight of the children of 3 families. Family 1 had 3 children with a mean of 25kg. Family 2 had 1 child, whose weight is 37kg. Family 3 had 3 children with a mean of 31kg. What is the mean weight of all the children of the three families?

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A survey collected data of the average weight of the children of 3 families. Family 1
had 3 children with a mean of 25kg. Family 2 had 1 child, whose weight is 37kg.
Family 3 had 3 children with a mean of 31kg. What is the mean weight of all the
children of the three families?
33.5
29.3
27.8
37.0
Transcribed Image Text:A survey collected data of the average weight of the children of 3 families. Family 1 had 3 children with a mean of 25kg. Family 2 had 1 child, whose weight is 37kg. Family 3 had 3 children with a mean of 31kg. What is the mean weight of all the children of the three families? 33.5 29.3 27.8 37.0
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