ANALYSIS OF SELECTED VARIABLES INSTITUTIONS GRANTING DOCTORAL DEGREES
Category	High	Mean	Median	Low	Reporting
1. Professional staff as percent of Total Staff	55.56	29.90	28.97	2.18	254
2. Support Staff as percent of Total Staff	73.24	43.92	44.44	3.40	258
3. Student Assistant Staff as percent of Total Staff	53.57	25.04	24.90	0.00	244
4. Ratio of Professional to Support Staff (excluding student Assistant Staff)	2.04	0.73	0.67	0.10	250
5. Ratio of Items Loaned to Items Borrowed	4.95	1.53	1.23	0.00	245
6. Serial Expenditures as percent of Total Library Materials Expenditures	92.34	60.33	64.06	0.71	248
7. Total Library Material Expenditures as percent of Total Library Expenditures	59.17	37.30	38.67	2.47	244
8. Contract Binding as percent of Total Library Expenditures	3.80	1.14	1.09	0.00	239
9. Salary and Wages Expenditures as percent of Total Library Expenditures	70.87	48.72	47.43	3.98	235
10. Other Operating Expenditures as percent of Total Library Expenditures	32.95	11.63	10.79	0.00	227
11. Unit cost of monographs (per volume)	110.95	48.31	45.27	5.77	232
12. Unit cost of serials (per title)	667.99	251.57	241.39	1.09	224