After Graduation Ceremonies at a University, Six Graduates Were Asked

Short Answer

After graduation ceremonies at a university, six graduates were asked whether they were in favor of identified by
1) or against identified by 0) abortion. Some information about these graduates is shown below.
$$\begin{array} { l c c c c } \text { Cradurate } & \text { Sex } & \text { Age } & \text { Abortion Issue } & \text { Class Rank } \\\text { Marissa } & F & 24 & 1 & 1 \\\text { Jason } & M & 22 & 1 & 2 \\\text { Wendy } & F & 41 & 0& 3 \\\text { Edward } & M & 38&0&20 \\\text { Jennifer } & F & 25 & 1 & 4 \\\text { Tinn } & M & 19 & 0 & 8\end{array}$$
a. How many elements are in the data set?
b. How many variables are in the data set?
c. How many observations are in the data set?
d. Which of the above variables Sex, Age, Abortion Issue, Class rank) are categorical and which are quantitative variables?
e. Are arithmetic operations appropriate for the variable "abortion issue"?