Self-confidence scores for 9 women before and after instructions on self-defense
Data for Example 7.19
Selfdefe
A data frame/tibble with nine observations on three variables
number identifying the woman
before the course self-confidence score
after the course self-confidence score
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
Selfdefe$differ <- Selfdefe$after - Selfdefe$before
Selfdefe
t.test(Selfdefe$differ, alternative = "greater")
t.test(Selfdefe$after, Selfdefe$before,
paired = TRUE, alternative = "greater")Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.