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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
10.8.3 A study of 85 patients with Hodgkin’s disease found that 41 had had their tonsils removed. Each patient was matched with a sibling of the same sex. Only 33 of the siblings had undergone tonsillectomy. The data are shown in the following table.50 Use McNemar’s test to test the hypothesis that “yes/no” and “no/yes” pairs are equally likely. Previous research had suggested that having a ton- sillectomy is associated with an increased risk of Hodgkin’s disease; thus, use a directional alternative. Let a = 0.05.
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SIBLING
TONSILLECTOMY? YES NO
Hodgkin’s patient Yes 26 15
tonsillectomy No 7 37
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