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The number of infant mortalities as a function of the baby's birthweight (in grams) for 72,730 live white births in New York in 1974 is as follows:

Outcome at the End of 1 Year

Birthweight

Alive

Dead

Less than 2,500

4,597

618

Greater than 2,500

67,093

422

Test the hypothesis that the birthweight is independent of whether or not the baby survives its first year.

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  • Category:- Statistics and Probability
  • Reference No.:- M91577160

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