A study (sampling method=SRS) of 150 women in Norway investigated the relationship between physical abuse by a spouse and pelvic pain. Of the 150 women
A study (sampling method=SRS) of 150 women in Norway investigated the relationship between physical abuse by a spouse and pelvic pain. Of the 150 women included in the sample, 118 participated (15 had moved, 13 refused to participate, 3 were not actually eligible, and 1 had died). The contingency table of the data is below.
Pain Yes No Abuse Yes 8 12 No 9 89
(a) What is the response rate in this study? Comment on how non-response may a?ect the results.
(b) Find the expected counts of the contingency table.
(c) Find ?2
(d) Find G2
(e) Is there an association between abuse and pelvic pain? Justify your answer.
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Authors: Ali Hirsa, Salih N. Neftci
3rd edition
012384682X, 978-0123846822
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