Engineering, 02.11.2019 04:31, Nenelovezero1359

Acase-control study was performed to study the relationship between the source of drinking water during the prenatal period and congenital malformations. case mothers were those with malformed infants in a registry in australia between 1951 and 1979. controls were individually matched by hospital, maternal age (± 2 years), and date of birth (± 1 month). the suspected causal agent was groundwater nitrates. which non-parametric test would be most appropriate to use in this situation? justify your answer. what would the null and alternative hypotheses be in this situation?

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Acase-control study was performed to study the relationship between the source of drinking water dur...