In the second grade, children were classified as showing, or not showing, attention deficit disorder (ADD) behaviour. When these children reached the ninth grade, those who enrolled in a remedial...

In the second grade, children were classified as showing, or not showing, attention deficit disorder (ADD) behaviour. When these children reached the ninth grade, those who enrolled in a remedial English programme were noted. The data are shown below. Is ADD behaviour during elementary school associated with enrolment in a remedial English class in high school? If you find a significant association, calculate Cramer’s V and the odds ratio to determine the strength of the association