Assignment:
Would you expect the data sets given below to be symmetrical, positively skewed, or negatively skewed?
- Grades on an easy test.
- IQs for all adults in Arizona.
- Automobiles.
- Personal income of professional football players.
- Birthweights of infants with fetal alcohol syndrome.
Plot scattergrams for the following situations: perfect positive correlation, Positive correlation, Negative correlation, Absence of correlation,