Tennessee self concept scores for 20 gifted high school students

Data for Exercise 6.56

Tenness

Format

A data frame/tibble with 20 observations on one variable

score

Tennessee Self-Concept Scale score

References

Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.

Examples

hist(Tenness$score, freq= FALSE, main = "", col = "green",
xlab = "Tennessee Self-Concept Scale score")
lines(density(Tenness$score))

if (FALSE) {
library(ggplot2)
ggplot2::ggplot(data = Tenness, aes(x = score, y = ..density..)) + 
           geom_histogram(binwidth = 2, fill = "purple", color = "black") +
           geom_density(color = "red", fill = "pink", alpha = 0.3) + 
           theme_bw()
}