ARL Statistics 2010-2011

Kyrillidou, Martha; Morris, Shaneka; Roebuck, Gary

ARL Library Data Tables · 69
Personnel and Public Services
Summary Summary DataData
Mean
Median
High
Low
Totals
Number of
Libraries
Reporting
1,010
871
2,821
216
114,123
113
18,636
16,461
59,946
2,700
2,124,542
114
63,734
48,047
286,317
6,475
7,138,247
112
278,990
222,876
1,214,641
37,753
31,804,817
114
514,455
367,390
2,041,785
49,622
59,162,294
115
38,098
32,384
167,359
3,869
4,381,321
115
30,823
27,297
102,627
2,821
3,544,588
115
University
Libraries
Total Items
Borrowed (ILL)
36
Total Items
Loaned (ILL)
35
Total
Circulation
Transactions
34
Initial
Circulation
Transactions
33
Reference
Transactions
32
Participants in
Group
Presentations
31
Library
Presentations
to Groups
30
Median
Totals
Number of
Libraries
Reporting
439
17,467
10
3,903
429,818
11
63,657
2,295,032
10
65,978
4,914,253
7
84,016
4,160,363
8
18,668
394,618
9
1,973
36,212
8
Nonuniversity
Libraries
Sum 131,590 2,554,360 9,433,279 36,719,070 63,322,657 4,775,939 3,580,800 Grand Totals

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ARL Statistics 2010-2011 resources

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ARL Library Data Tables · 69
Personnel and Public Services
Summary Summary DataData
Mean
Median
High
Low
Totals
Number of
Libraries
Reporting
1,010
871
2,821
216
114,123
113
18,636
16,461
59,946
2,700
2,124,542
114
63,734
48,047
286,317
6,475
7,138,247
112
278,990
222,876
1,214,641
37,753
31,804,817
114
514,455
367,390
2,041,785
49,622
59,162,294
115
38,098
32,384
167,359
3,869
4,381,321
115
30,823
27,297
102,627
2,821
3,544,588
115
University
Libraries
Total Items
Borrowed (ILL)
36
Total Items
Loaned (ILL)
35
Total
Circulation
Transactions
34
Initial
Circulation
Transactions
33
Reference
Transactions
32
Participants in
Group
Presentations
31
Library
Presentations
to Groups
30
Median
Totals
Number of
Libraries
Reporting
439
17,467
10
3,903
429,818
11
63,657
2,295,032
10
65,978
4,914,253
7
84,016
4,160,363
8
18,668
394,618
9
1,973
36,212
8
Nonuniversity
Libraries
Sum 131,590 2,554,360 9,433,279 36,719,070 63,322,657 4,775,939 3,580,800 Grand Totals

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68 · ARL Statistics 2010–2011
Personnel and Public Services
Summary DataData Summary
Mean
Median
High
Low
Totals
Number of
Libraries
Reporting
97
79
509
29
11,182
115
123
105
406
17
14,123
115
58
48
296
2
6,589
114
277
242
915
98
31,894
115
21
18
89
3
2,472
115
124
119
168
64
14,097
114
University
Libraries
Library Service
Hours
29
Staffed Service
Points
28
Total Staff (FTE)
27
Student Assistants
(FTE)
27c
Support Staff
(FTE)
27b
Professional Staff
(FTE)
27a
Median
Totals
Number of
Libraries
Reporting
167
5,006
11
64
3,077
11
13
358
9
272
8,441
11
13
203
11
47
548
11
Nonuniversity
Libraries
Sum 16,188 17,200 6,947 40,335 2,675 14,645 Grand Totals

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ARL Statistics 2010-2011 resources

70 · ARL Statistics 2010–2011
Analysis of Selected Variables of University Libraries, 2010–2011
The percentages and ratios below are select indicators that describe the condition of ARL university libraries. The
high and low figures indicate the range, while the mean and median indicate the central tendency of the distributions
for ARL university libraries. Note that a distribution is normal when the mean and the median figures are identical.
If the mean is larger than the median, then the is positively skewed, and if the opposite is true, the
distribution is negatively skewed.
Category
The percentages and ratios below are select indicators that describe the condition of ARL university libraries. The high and low
figures indicate the range, while the mean and median indicate the central tendency of the distributions for ARL university libraries.
Note that a distribution is normal when the mean andistributionfigures d the median are identical. If the mean is larger than the median then the
distribution is positively skewed, and if the opposite is true the distribution is negatively skewed.
High Mean Median Low Number of
Libraries
Reporting
Professional Staff as a precent of Total Staff 62.16 34.99 34.25 10.64 115
Support Staff as a precent of Total Staff 70.09 44.61 44.08 15.23 115
Student Assistant Staff as a precent of Total Staff 65.63 20.58 21.28 0.58 114
Ratio of Professional to Support Staff (excluding Student Assistant
Staff)
4.06 0.87 0.75 0.39 115
Ratio of Items Loaned to Items Borrowed 5.16 1.39 1.19 0.21 115
Serials Expenditures as a precent of Total Library Materials
Expenditures
92.20 70.46 70.49 10.41 114
Monograph Expenditures as a precent of Total Library Materials
Expenditures
50.55 19.65 17.62 3.87 114
Total Library Materials Expenditures as a precent of Total Library
Expenditures
62.40 44.46 45.06 24.48 115
Contract Binding as a precent of Total Library Expenditures 1.60 0.36 0.33 0.00 115
Salary and Wages Expenditures as a precent of Total Library
Expenditures
60.19 44.28 43.00 30.11 115
Other Operating Expenditures as a precent of Total Library
Expenditures
29.07 10.90 10.32 2.42 115
Unit costs of Monographs (per volume) 143.79 57.82 55.65 2.47 106
Unit costs of Serials (per title) 473.15 139.18 129.25 27.75 113
Library Expenditures per Faculty 57,339.73 17,864.80 16,162.70 7,162.39 115
Library Expenditures per Full-Time Student 6,267.99 1,287.98 951.70 425.63 115
Library Expenditures per Full-Time Graduate Student 18,720.91 5,203.61 4,836.11 2,320.55 115
Library Expenditures per Full-Time User 5,637.67 1,183.02 893.52 407.37 115
Library Expenditures per User 5,637.67 1,040.91 755.99 321.82 115
Library Expenditures per PhD Awarded 362,970.30 89,959.88 81,019.45 28,714.91 115
Library Staff per PhD Awarded 5.18 0.90 0.78 0.24 115
Professional Library Staff per PhD Awarded 1.51 0.31 0.26 0.09 115

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Page 9ARL Library Data Tables click to expand contents

Page 10Collections: Volumes and Monographs click to expand contents

Page 16Collections: Current Serials click to expand contents

Page 28Collections: Other Materials click to expand contents

Page 34Expenditures click to expand contents

Page 46Electronic Resources Expenditures click to expand contents

Page 58Personnel and Public Services click to expand contents

Page 71PhD, Faculty, and Enrollment Statistics click to expand contents

Page 77Rank Order Tables of University Libraries 2010–2011 click to expand contents

ARL Statistics 2010-2011 resources

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ARL Statistics 2010-2011 resources

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