Mathematics, 22.11.2019 05:31 rlumanlan549

Arecent article in the wall street journal compared the cost of adopting children from china with that of russia. for a sample of 16 adoptions from china, the mean cost was $11,045, with a standard deviation of $835. for a sample of 18 adoptions from russia, the mean cost was $12,840, with a standard deviation of $1,545. can we conclude the mean cost is larger for adopting children from russia

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