Survival times of 20 rats exposed to high levels of radiation
Data for Exercise 1.52, 1.76, 5.62, and 6.44
Rat
A data frame/tibble with 20 observations on one variable
survival time in weeks for rats exposed to a high level of radiation
J. Lawless, Statistical Models and Methods for Lifetime Data (New York: Wiley, 1982).
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
hist(Rat$survival_time) qqnorm(Rat$survival_time) qqline(Rat$survival_time) summary(Rat$survival_time) t.test(Rat$survival_time) t.test(Rat$survival_time, mu = 100, alternative = "greater")
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