Twin {BSDA} | R Documentation |
Data for Exercise 7.54
Twin
A data frame/tibble with nine observations on three variables
score on intelligence test without drug
score on intelligence test after taking drug
twinA
- twinB
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
qqnorm(Twin$differ)
qqline(Twin$differ)
shapiro.test(Twin$differ)
t.test(Twin$twinA, Twin$twinB, paired = TRUE)