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Explain how the two results are equivalent

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Question - Pregnancy. In 1998 a San Diego reproductive clinic reported 42 live births to 157 women under the age of 38, but only 7 successes for 89 clients aged 38 and older. Is this evidence of a difference in the effectiveness of the clinic s methods for older women?

a) Test the appropriate hypotheses, using the twoproportion z-procedure.

b) Repeat the analysis, using an appropriate chi-square procedure.

c) Explain how the two results are equivalent.

Reference no: EM131745961

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