Study habits of students in two matched school districts
Data for Exercise 7.57
Habits
A data frame/tibble with 11 observations on four variables
study habit score
study habit score
B minus A
the signed-ranked-differences
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
shapiro.test(Habits$differ)
qqnorm(Habits$differ)
qqline(Habits$differ)
wilcox.test(Habits$B, Habits$A, paired = TRUE, alternative = "less")
t.test(Habits$signrks, alternative = "less")
## Not run:
library(ggplot2)
ggplot2::ggplot(data = Habits, aes(x = differ)) +
geom_dotplot(fill = "blue") +
theme_bw()
## End(Not run)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.