Question: The percentage distribution of birth weights for all children in

The percentage distribution of birth weights for all children in cases of multiple births (twins, triplets, etc.) in North Carolina during 2009 was as given in the following table:
The frequency distribution of birth weights of a sample of 587 children who shared multiple births and were born in North Carolina in 2012 is as shown in the following table:
Test at a 2.5% significance level whether the 2012 distribution of birth weights for all children born in North Carolina who shared multiple births is significantly different from the one for 2009.

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  • CreatedAugust 25, 2015
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