Are babies born to mothers who use assistive reproduction technology (ART) more likely to be born prematurely than babies conceived naturally? The data in the accompanying table are from the paper €œChild Growth from Birth to 18 Months After Assisted Reproduction Technology€ (International Journal of Nursing [2010]: 1159€“ 1166). The data are from a random sample of 19,614 births. Each birth was classified according to whether the mother used ART and whether the baby was premature. Use these data to decide if there is convincing evidence of an association between the use of ART and whether or not a baby is premature. Use a = 0.01.

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Concelved Using ART 154 212 Concelved Naturally 2405 18,843 Premature Not Premature