You Are the Dean of Students at a College and the President

You are the dean of students at a college and the president has asked for some information about how the student body has changed over the years.You have collected the following information regarding the number of students in various categories for two different graduating classes:
$\begin{array}{|l|l|l|}\hline \text {CHARACTERISTICS OF TWO }\\\text {GRADUATING CLASSES}\\\hline & 1987 & 2007 \\\hline \text { Total in class } & 345 & 587 \\\hline \text { Females } & 178 & 301 \\\hline \text { Married } & 48 & 117 \\\hline \text { Humanities Majors } & 115 & 558 \\\hline \text { Going to Graduate School } & 78 & 159 \\\hline \text { Attended Commencement } & 99 & 458 \\\hline \text { Finished in 4 years } & 269 & 325 \\\hline \text { Received financial aid } & 159 & 369 \\\hline\end{array}$
What will you say to the president when she asks:
a. What percentage of the graduating class was female in 1987? _______ 2007? _______
b. What percentage of the glass was going to graduate school in 2007? _______
Has this percentage gone up or down since 1987 and by how much? (Hint: Compute the percentage change to measure the amount of change between the two times.) _______
c. What proportion of the graduating class attended the commencement ceremony in 2007? ______
Has this proportion gone up or down since 1987, and by how much? _______
d. What proportion of the class majored in the humanities in 1987? _______ 2007? _______
e. What percent of students received financial aid in 1987? ________ 2007? _______
f. Relatively speaking, how many student finished in just four years in 1987? _______ 2007? _______
How has this percentage changed between the two years? _______
g. What proportion of students were married in 1987? _______ 2007? _______
h. Write a paragraph describing the changes in the graduating classes of 1981 and 2001.
What changes seem especially important? Why?