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Question 9 1 pts s Maternal hypertension (high blood pressure during pregnancy) is associated with preterm delivery and low infant birthweight. It is unclear whether a pregnant mother's history of hypertension (pre-conception) is associated with low infant birthweight. Which of the following is an appropriate null hypothesis for testing this? 0 H0: The mean birthweight of infants born to mothers with a history of hypertension is lower than the mean birthweight of infants born to mothers without a history of hypertension. H0: The mean birthweight of infants born to mothers with a history of hypertension is equal to the mean birthweight of infants born to mothers without a history of hypertension. 0 H0: The proportion of low birthweight infants in mothers with a history of hypertension is lower than the proportion of low birthweight infants in mothers without a history of hypertension. 0 H0: The mean birthweight of low birthweight infants is lower than the mean birthweight of other infants. Question 10 5 pts Test the hypothesis from Question 9 to answer the question of whether a history of hypertension is associated with low birthweight. Make sure you: a) State which type of hypothesis test you are using and justify its use b) Include the p-value and your decision regarding the null hypothesis c) Include the direction and size of the effect in your conclusion Edit View Insert Format Tools Table 12pt V Paragraph BIYA &V T2 V . . . P O words >