The data were collected from a statistics class. The column heads give the variable, and each of the rows represents a student in the class. How many variables are there? Male Age Eye Shoe Height Weight Number College Units Color Size (inches) (pounds) of Siblings This Term Handedness 31 Brown 6 64 140 0 10 Left 30 Blue 10 63 165 15 Right 0 30 Blue 10 68 195 O 10 Right 0 29 Brown 6 61 180 0 12 Right There are variables. (Type a whole number.)