The following data contain times to tumor relapse (in months) among 10 women with breast cancer. The
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Question:
The following data contain times to tumor relapse (in months) among 10 women with breast cancer.
The right censored observations are indicated by a +.
Genotype A : 12.5+, 3.3, 5.1+, 4.0, 5.0+.
Genotype B : 10.0, 2.5, 8.5+, 5.5+, 7.1+
Conduct a Gehan-Wilcoxon test (by hand) to examine whether time-to-relapse depends on genotype. State the conclusion within the context of the problem.
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