The American Academy of Pediatrics recommends breast milk as the best nutrition for infants. A survey was conducted to see if pregnant women in their last trimester of pregnancy planned to breast feed their babies. It was thought that the income level of the women might be related to whether they planned to breast feed or not. The table below shows the results of the study:
Assume that all conditions for testing have been met. This was an observational study of randomly selected pregnant women in their last trimester of pregnancy. Test whether there is an association between whether a woman plans to breast feed her baby or not and her income level, using a significance level of 0.05. Choose the correct decision and conclusion regarding the null hypothesis that no association exists. Refer to the computer output above.
A) Reject the null hypothesis; income level and plan to breast feed are not associated.
B) Reject the null hypothesis; income level and plan to breast feed are associated.
C) Fail to reject the null hypothesis; income level and plan to breast feed are associated.
D) Fail to reject the null hypothesis; income level and plan to breast feed are not associated.
Correct Answer:
Verified
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