Effects of four different methods of programmed learning for statistics students
Data for Exercise 10.17
Program
A data frame/tibble with 44 observations on two variables
a character variable with values method1, method2,
method3, and method4
standardized test score
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
boxplot(score ~ method, col = c("red", "blue", "green", "yellow"), data = Program)
anova(lm(score ~ method, data = Program))
TukeyHSD(aov(score ~ method, data = Program))
par(mar = c(5.1, 4.1 + 4, 4.1, 2.1))
plot(TukeyHSD(aov(score ~ method, data = Program)), las = 1)
par(mar = c(5.1, 4.1, 4.1, 2.1))Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.