Use the contingency-table method to perform the test in Problem 13.1? Gynecology In a 1985 study of
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Use the contingency-table method to perform the test in Problem 13.1?
Gynecology
In a 1985 study of the relationship between contraceptive use and infertility, 89 of 283 infertile women, compared with 640 of 3833 control (fertile) women, had used an intrauterine device (IUD) at some time in their lives [43].
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