One-Way ANOVA
T-Test
One-Way ANOVA
Two-Way ANOVA
Correlation
Regression
Chi Square
Homework Problem
From the Data and Story Library, Cornell University (http://lib.stat.cmu.edu/DASL/)
Reference: Cameron, E. and Pauling, L. (1978) Supplemental ascorbate in the supportive treatment of cancer: re-evaluation of prolongation of survival times in terminal human cancer.Proceedings of the National Academy of Science USA, 75, 4538Ð4542. Also found in: Manly, B.F.J. (1986) Multivariate Statistical Methods: A Primer, New York: Chapman & Hall, 11. Also found in: Hand, D.J., et al. (1994) A Handbook of Small Data Sets, London: Chapman & Hall, 255.
Authorization: Contact authors
Description: Patients with advanced cancers of the stomach, bronchus, colon, ovary or breast were treated with ascorbate. The purpose of the study was to determine if the survival times differ with respect to the organ affected by the cancer.
Number of cases: 64
Variable Names:
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1.Survival: Survival time (weeks)
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2.Organ: Organ affected by the cancer (1=Stomach, 2=Bronchus, 3=Colon, 4=Ovary, 5=Breast)
Download the SPSS dataset: Cancer.sav
QUESTIONS:
Conduct a one-way ANOVA that compares the mean survival rates for each organ affected by cancer.
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1.Write a null hypothesis.
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2.Report and interpret your results - be specific.