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iPad 17:10 * 49%. " capa.mathstat.dal.ca p Faculty SOLUTION... dimes-Go... Find the fo...LON-CA. Super Sne.. Super Sne.. Stu... Junjie Chen Student Stat2080/Math2080/Econ2280 Winter 2018 Messages Courses Help Logout Main Menu Contents Grades Syllabus Course Contents » » Assignment 1 » Question 5 () Timer) Notes à Evaluate e' Feedback -Print [10 total pt(s)) In a study of the effect of tobacco use on bone mineral density (BMD) in middle-aged women, BMD of 47 pairs of twins who smoke was measured. For each pair of twins, the difference between the BMD of the twin who smokes more and the twin who smokes less was calculated (M-L). The 95% confidence interval for the true mean difference in BMD was (-5.54, -0.37) What type of study is this? O Matched Pairs Independent Samples (5 pt(s)) Submit AnswTries 0/1 If we test Ho: "There is no difference in BMD between the twins who smoke more and the twins who smoke less" against HA: "There is a difference in BMD between the twins who smoke more and the twins who smoke less", will Ho be rejected at a = 0.05? Yes No [5 pt(s)) Submit Answer Tries 0/1 Post Discussion ,Send FeedbackExplanation / Answer
Corect answer: option (A) Matched Pairs
Correct answer: Option (A) Yes
since Confidence interval (-5.54,-0.37)
Zero is not contain in the interval, so we reject H0
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