Test scores for two beginning statistics classes
Data for Exercises 1.70 and 1.87
Statisti
A data frame/tibble with 62 observations on two variables
character variable with values Class1 and Class2
test score for an introductory statistics test
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
boxplot(score ~ class, data = Statisti, col = "violet")
tapply(Statisti$score, Statisti$class, summary, na.rm = TRUE)
## Not run:
library(dplyr)
dplyr::group_by(Statisti, class) %>%
summarize(Mean = mean(score, na.rm = TRUE),
Median = median(score, na.rm = TRUE),
SD = sd(score, na.rm = TRUE),
RS = IQR(score, na.rm = TRUE))
## End(Not run)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.