A researcher was interested the relationship between fetal heart beat rate at 7 weeks gestation and healthy Apgar scores 5-minutes after full-term birth (a measure of how well the infant is doing after birth). Healthy fetal heart rates at 7 weeks range from 110-160 bpm. Apgar ratings of 7 or greater are considered healthy (range 1- 10). Using the data in the table below, tell whether there is a relationship between the healthy fetal heart beat and a healthy Apgar score. Test at alpha .05. Frequency of Apgar Scores Categories and Fetal Heart Rate Ranges Among Full-Term Live Births Moderately Healthy Apgar at 5 Concerning Poor Apgar at 5 Minutes After Birth Apgar at 5 Minutes (7 or greater) Minutes After Birth (4-6) After Birth (3 or less) Healthy Fetal Heart Beat at 7 4300 20 10 weeks (110-160 bpm) Low Fetal Heart Beat at 7 weeks 650 10 10 (<90 bpm) Which statistical test would be appropriate to test the hypothesis that fetal heart rate at 7 weeks gestation and Apgar ratings 5 minutes after birth are independent?
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