RECEIVEI~
Jan12 3 13 PM‘00
USPS-T-5
POSTAL RATE COMMISSION
WASHINGTON, D.C. 20268-0001
POSTAL RATE AND FEE CHANGES,
2000
DIRECT TESTIMONY
OF
HERBERT B. HUNTER Ill
ON BEHALF OF THE
UNITED STATES POSTAL SERVICE
Docket No. R2000-1
I
USPS-T-5
TABLE OF CONTENTS
PAGE
TABLE OF CONTENTS
LIST OF LIBRARY
.._ ._. ._.
._. .._ ___ _.. .._ _____._______._._. ,_. ___..__.._._. _..._,.
REFERENCES
AUTOBIOGRAPHICAL
_..
SKETCH ._.
1.
PURPOSE
II.
ESTIMATION
III.
BULK MAIL REVENUE,
IV.
PREPARATION
OF REVENUE.
.._ ___.____._.__..._ _____._____ ii
___._. ____.______.______._. _.. ________.___.__.._ ___
AND SCOPE OF TESTIMONY
iii
___ ________..___.. ____._ __. ___._ 1
VOLUME AND WEIGHT
.._ _______
___.._ ___
2
PIECES AND WEIGHT SYSTEM (BRPW) ___ _..
OF REVENUE,
i
VOLUME AND WEIGHT
ESTIMATES
.__
2
4
TABLE 1 - FISCAL YEAR 1998 REVENUE ESTIMATES AND ASSOCIATED
CONFIDENCE LIMITS .._ ____.__.. ___._. .__.,. _..
.._
____.. ____.. _.. __.______..___ 6
TABLE 2 - FISCAL YEAR 1998 VOLUME
CONFIDENCE LIMITS
ESTIMATES
AND ASSOCIATED
..__._..___
.______.. __.___ 8
TABLE 3 - FISCAL YEAR 1998 WEIGHT ESTIMATES AND ASSOCIATED
CONFIDENCE LIMITS _.,
.._ .., .,, ___ ____.______._____. _____.____.. ____________..__. IO
ii
LIST OF LIBRARY REFERENCES
Supporting
Library References:
USPS-LR-I-25
Bulk Mail Revenue, Pieces, and Weight System (BRPW),
Computer System Documentation
USPS-LR-I-26
Bulk Mail Revenue, Pieces, and Weight System (BRPW),
Statistical System Documentation
USPS-LR-I-28
Bulk Mail Revenue, Pieces, and Weight System (BRPW),
Variance Estimation Program Documentation
DIRECT TESTIMONY
OF
HERBERT B. HUNTER Ill
1
AUTOBIOGRAPHICAL
2
3
4
SKETCH
My name is Herbert B. Hunter Ill. I am an Operations
5
the U.S. Postal Service at its Headquarters
6
with the Postal Service in 1972 and have been employed
7
since 1983.
8
9
in Washington,
Research
D.C. I began my career
in Finance at Headquarters
In my present position in the Revenue, Volume & Performance
office, and in my previous positions at Headquarters
Measurement
as a Senior Mathematical
10
Statistician,
11
and Cost Systems, my responsibilities
12
oversight of statistical surveys and data reporting
13
Postal Service’s measures of Revenue, Pieces and Weight (RPW) System volumes
14
and service performance.
15
forward and volume model witnesses
16
and R97-1.
17
Operations
Analyst for
Research Analyst, and Statistician
in the Office of Revenue
have included the design, development
I provided technical
and
systems to provide or improve the
support to Postal Service cost, roll
in Docket Nos. R84-1, R87-1, R90-1, ~R94-1
I was a volumes witness for the Postal Service in Docket No. MC96-2.
I received a Bachelor of Science degree in mathematics
in Virginia in 1984. My education
includes additional
from George Mason
18
University
19
applied statistics at George Mason University and at George Washington
20
in Washington,
D.C. I am a member of the American
graduate
courses in
University
Statistical Association.
1
1
2
I.
PURPOSE AND SCOPE OF TESTIMONY
The purpose of my testimony
is to provide estimates of revenue, volume and
3
weight totals for the major categories
4
Pieces and Weight System (BRPW) for the Fiscal Year (FY) 1998 period.
5
testimony together with that of Witness Pafford, which covers estimates generated
6
under the Domestic Revenue,
7
determine the revenue, volume and weight (RPW) estimates for the base year
8
underlying
9
the BRPW and includes estimates of statistical
10
11
-~
of mail captured under the Bulk Mail Revenue,
My
Pieces and Weight System (DRPW), completely
the Postal Service’s request,
My testimony covers the general design of
reliability for the major categories
of
mail shown in my tables.
My testimony
is divided into three sections:
12
overview of the RPW estimation
13
itself; and the third section describes
14
prepared.
15
shown in Tables l-3.
16
computer system documentation,
17
previously
18
USPS-LR-I-26
19
statement forms previously
20
Library Reference
21
documentation,
22
in Library Reference
the first section provides an
process; the second section describes
the BRPW
how revenue, volume and weight estimates are
The estimates of RPW totals and their estimates of relative precision are
Library Reference
USPS-LR-I-25
updates the BRPW
source code listings and machine-readable
provided in Library Reference
USPS-LR-H42/R97-1.
updates the BRPW statistical system documentation
provided in Library Reference
USPS-LR-I-28
code
Library Reference
and postage
USPS-LR-H-89/R97-1.
updates the BRPW variance estimation
source code listing and machine-readable
USPS-LR-H-177/R97-I.
code, previously
provided
2
1
II.
2
ESTIMATION
OF REVENUE,
VOLUME AND WEIGHT
The Postal Service’s postage revenue accounting
3
accounts that are associated
4
most general postage revenue accounts do not correspond
5
categories.
6
necessary
7
revenue accounting
8
probability-based
9
postage statement-based
10
Additionally,
system contains several
with specific classes or subclasses
the revenue accounting
volume information.
of mail. However,
exactly with specific mail
system does not provide the
As a result, the Postal Service supplements
information
with statistical
its
data obtained from two systems:
the
sampling system known as DRPW, and the revenue account and
system known as BRPW.
BRPW, while witness Pafford’s testimony
My testimony
USPS-T-4 discusses
discusses
the
the DRPW.
11
12
13
Ill.
BULK MAIL REVENUE,
PIECES AND WEIGHT SYSTEM (BRPW)
The BRPW provides estimates of revenue and volume totals where bulk mail
14
categories
15
BRPW also generates
16
volume data from source postage statements
17
revenue and volume are estimated for the bulk mail categories
18
permit imprint Priority Mail, Periodicals,
19
Post and Bound Printed Matter.
20
subaccounts
21
for permit imprint First-Class
22
and AIC 130 for permit imprint Standard
correspond
to the Postal Service’s revenue accounting
estimates for the bulk mail categories
are available.
system. The
for which revenue and
Under the BRPW, total
of First-Class
Mail,
Standard Mail (A), and permit imprint Parcel
The following AIC (Account
from the revenue accounting
Identifier Code)
system are used in the BRPW:
Mail and Priority Mail, AIC 135 for Periodicals,
AIC 121
AIC 125
Mail A, and AIC 131 for permit imprint.
3
1
Bound Printed Matter.
Because these revenue accounts
2
category detail or volume information,
3
comprising
4
postage statements
5
automated
6
stratified random sample of non-automated
7
documented
8
and volume data from the following
9
BRPW for the FY 1998 period:
and they do not represent
all bulk mail, the BRPW also utilizes mailpiece
all mail categories
information
obtained from
gathered from an ongoing panel of post offices comprised
of
bulk mail entry offices under the PERMIT SYSTEM and a supplemental
in Library References
10
3541 (Periodicals),
11
Mail B and Priority Mail),
12
BRPW is found in Appendix
13
do not provide rate
post offices.
USPS-LR-I-44
The PERMIT System is
through USPS-LR-I-48.
postage statement series are captured
PS Form 3600 (First-Class
PS Form 3602 (Standard
Revenue
in the
Mail), PS Form
Mail A), and PS Form 3605 (Standard
A copy of each type of postage statement captured in the
A of Library Reference
For the bulk mail categories
of First-Class
USPS-LR-I-26.
Mail, Periodicals
and Standard Mail
14
(A), the BRPWs
estimates of total revenue and volume comprise the Postal
15
Service’s final estimates for the constituent
16
mail categories
17
which some revenue falls in the general postage revenue accounts, the BRPW
18
estimates the permit imprint indicia component
19
while the Domestic Revenue,
20
total revenue and volume for the postage affixed component
21
categories
comprised
rate categories.
For the remaining
bulk
of Priority Mail, Parcel Post and Bound Printed Matter, for
and its constituent
rate categories,
Pieces and Weight System (DRPW) estimates the
and its constituent
rate
4
Each Postal Quarter (PQ), the BRPW panel postage statement
1
2
revenue account information
3
and volume.
4
produce Government
5
BRPW sample design and data reporting procedures
6
Reference
data and the
are combined to produce the estimates of total revenue
The Postal Quarter estimates are in turn combined
Fiscal Year (GFY) based estimates.
and adjusted to
A description
is contained
of the
in Library
USPS-LR-I-26.
7
8
IV.
PREPARATION
OF REVENUE,
PIECES AND WEIGHT
ESTIMATES
Fiscal Year 1998 BRPW and DRPW estimates are combined with other data
9
10
in the RPW Adjustment
System to produce estimates of revenue and volume for all
11
categories
of mail. The RPW Adjustment
12
Reference
USPS-LR-I-30.
13
systems are based on a Postal Fiscal Year (PFY) and not, a Government
14
(GFY), a final adjustment
15
revenue, volume and weight for the major categories
16
l-3.
17
with the estimated
18
mail category,
19
combined
20
Matter total volume is obtained by combining the estimate of bulk permit imprint total
21
volume from the BRPW with the estimate of bulk postage affixed total volume from
System is documented
Because the Postal Service’s statistical
is required.
Estimates of the coefficient
information
Fiscal Year
For Fiscal Year 1998, GFY estimates
of variation (c.v.), expressed
upper and lower 95% confidence
of total
of mail are shown in Tables
as a percentage,
limits, are also shown.
the tables identify the source of the estimate:
systems.
in Library
For example, the estimate of Standard
along
For each
BRPW, DRPW or
Mail (B) Bound Printed
1
the DRPW and residual official mail (U.S. government
2
franked mail).
agency and congressional
TABLE 1
FISCAL YEAR 1996 REVENUE ESTIMATES
AND ASSOCIATED
CONFIDENCE LIMITS
REVENUE
SERVICE CATEGORY
________________-______________
--__-I
C.V. 3/OF
ESTIMATE
-_- _____
I~l~~~-.-..PE--~!~!6/____- _____
FIRST-CLASS MAIL:
SINGLE-PIECE LETTERS, FLATS, AND IPPS _U
NONAUTO PRESORT LETTERS, FLATS, AND IPPS -I/
AUTO PRESORT LETTERS AND FLATS I/
AUTO CARRIER ROUTE PRESORT LETTERS 11
SINGLE-PIECE CARDS _U
NONAUTO PRESORT MAILING CARDS I/
AUTO PRESORT CARDS I/
AUTO CARRIER ROUTE PRESORT CARDS a/
DOMESTIC MAIL FEES _U
TOTAL FIRST-CLASS
UPPER 95%
CONFIDENCE
____-!L!!EY-.-.-~
21.807.405
1.542.425
9,035.064
305,949
612,924
99,659
207,143
20,677
149,740
33.661.187
0.26
2.26
0.15
0.79
1.52
4.95
1.23
0.97
2.36
0.20
21.687.726
1,474,101
9,008.501
301,212
594,664
89,990
280,220
20,461
142,814
33,728,451
21.927,084
1,610,748
9,061.628
310,686
631,184
109,328
294,065
21,274
156,666
33,993,922
4,166,416
941
4,187,356
1.08
6.33
1.09
4,097,798
624
4,097,899
4,275,035
1,058
4,276,816
854,530
N/C 5/
1.678
N/C
79,302
2.56
75,323
83.281
1,643,645
317,027
12,229
20,082
2.072,285
0.16
0.65
0.00
3.86
0.04
1,638,490
312,986
12,229
18,562
2,070,660
1,648,799
321,065
12,229
21,601
2,073.909
123,859
1,927,930
5.263.923
4.945,601
406,447
665.081
211,744
76,958
13,701,742
5.69
0.71
0.32
0.45
1.00
0.52
1.44
0.95
0.06
110,045
1.901,101
5,230.907
4,902,179
476,913
656,302
205,766
75,525
13.685,626
137,672
1,954,759
5,296.938
4,989.423
495,981
671.659
217,720
78,391
13,717.955
947,945
427,027
330,301
45,684
2,506
1.754,264
0.92
0.81
2.88
3.04
7.61
0.86
930,852
421,035
311,656
42,962
2,123
1,724,007
965,039
434,619
348,946
48.406
2.890
1,764.522
PRIORITY MAIL I/
DOMESTIC MAIL FEES _U
TOTAL PRIORITY I/
EXPRESS MAIL
MAILGRAMS
PERIODICALS MAIL:
IN-COUNTY 3/
OUTSIDE C&NTY:
REGULAR I/
SPECIAL NONPROFIT 31
CLASSROOM 31
DOMESTIC MAIL FEES _U
TOTAL PERIODICALS I/
STANDARD MAIL (A):
SINGLE-PIECE _U
REGULAR - NONAUTO PRESORT 31
REGULAR -AUTO PRESORT a/
ENHANCED CARRIER ROUTEJ/
NONPROFIT - NONAUTO PRESORT 31
NONPROFIT - AUTO PRESORT a/
NONPROFIT ENHANCED CARRIER ROUTE a/
DOMESTIC MAILING FEES a
TOTAL STANDARD MAIL (A) I/
LOWER 95%
CONFIDENCE
STANDARD MAIL(B):
PARCEL POST 11
BOUND PRINTED MATTER I/
SPECIAL STANDARD _U
LIBRARY MAIL2
DOMESTIC MAIL FEES Z
TOTAL STANDARD MAIL(B) I/
6
-
TABLE 1
(CONTINUED)
FISCAL YEAR 1996 REVENUE ESTIMATES
AND ASSOCIATED CONFIDENCE LIMITS
SERVICE CATEGORY
___-___-____-____---____________________------------U.S. POSTAL SERVICE
C.V. 41 OF
LOWER 95% UPPER 95%
REVENUE
ESTIMATE
CONFIDENCE CONFIDENCE
LIMIT 61
PERCENT 5/ LIMIT 6/
($l,OOOs~ -_--_-__-~~~__--_-~-_-_______I______
MAIL
FREE MAIL FOR THE BLIND AND HANDICAPPED
TOTAL DOMESTIC
MAIL
TOTAL INTERNATIONAL
N/C
1,599.838
N/C
58.032.880
N/C
MAIL
TOTAL ALL MAIL
_-,
56.433,042
SPECIAL AND OTHER SERVICES:
REGISTERED _U
INSURANCE _U
COLLECT ON DELIVERY2
CERTIFIED 2/
RETURN RECEIPTS 2/
SPECIAL DELIVERY 2/
MONEY ORDERS
SUBTOTAL
OUT. MONEY ORDERS TAKEN INTO REVENUE
STAMPED ENVELOPES
BOX RENTS
TOTAL MAIL 8 SPECIAL
SERVICES
89.221
72,547
17,829
385,745
262,058
1
178,942
1,006.343
31,177
17,440
617,434
1,672,395
59,705.275
N/C
486,982
N/C
60.192.256
N/C
OTHER INCOME
TOTAL INCOME
0.06
2.75
0.01
4.05
3.86
69.50
N/C
2.51
N/C
N/C
N/C
N/C
I/ COMBINED DRPW AND BRPW (INCLUDES OTHER SOURCE DATA IF ANY)
_U DRPW (INCLUDES OTHER SOURCE DATA IF ANY)
3/ BRPW (INCLUDES OTHER SOURCE DATA IF ANY)
41 COEFFICIENT OF VARIATION = (100 x (EST. STD. ERROR I EST. REVENUE)
51 NOT COMPUTED
c/ LOWER LIMIT EST. REVENUE - (1.97 x EST. STD. ERROR)
UPPER LIMIT - EST. REVENUE + (1.97 x EST. STD. ERROR)
7
89,116
68,637
17,826
355,125
242,231
0
956,835
89,326
76,457
17,833
416,366
281,884
3
1,055,851
TABLE 2
FISCAL YEAR 1996 PIECES ESTIMATES
AND ASSOCIATED CONFIDENCE LIMITS
C.V. 41 OF
ESTIMATE
PIECES
SERVICE CATEGORY
-___------_-_------
--------
-- ----
---------
FIRST-CLASS MAIL:
SINGLE-PIECE LETTERS, FLATS. AND IPPS 21
NONAUTO PRESORT LETTERS, FLATS, AND IPPS I/
AUTO PRESORT LETTERS AND FLATS 11
AUTO CARRIER ROUTE PRESORT LETrERS 1,
SINGLE-PIECE CARDS 21
NONAUTO PRESORT MAILING CARDS I/
AUTO PRESORT CARDS 11
AUTO CARRIER ROUTE PRESORT CARDS 31
DOMESTIC MAIL FEES 21
TOTAL FIRST-CLASS
W!!%-
53,773,061
4,429,070
34,588,114
1,259,287
2,884,381
499,945
1,809,859
146,290
54,772,987
4,887,403
34,805,733
1,298,898
3.059,120
607,378
1,894.815
151,960
100,434,151
0.29
99,863,283
101,005,019
1,174,425
1.05
1,150,256
1,198,595
1,174,425
1.10
1,149,105
1.199,746
66,244
N/C 5/
4,302
N/C
923,865
2.20
884,028
963,702
7,195,166
2,136,927
60,793
0.19
0.76
0.00
7.168.371
2.105.096
60,793
7,221.961
2,168.759
60,793
10.316,751
0.17
10.282,376
10.351.127
150.276
6,952.941
28.134.073
34.059.127
3.719.254
6.845,382
2,647.088
8.87
0.66
0.31
0.47
1.26
0.50
1.59
124,150
6.862.998
27,963.130
33.745,374
3.627,403
6,778,297
2.564,594
176,402
7,042,884
28,305,016
34,372.879
3,811.104
6.912.467
2.729,582
82,508,141
0.12
82,314,082
82,702,200
MAILGRAMS
STANDARD MAIL (A):
SINGLE-PIECE a
REGULAR - NONAUTO PRESORT 31
REGULAR -AUTO PRESORT 31
ENHANCED CARRIER ROUTE31
NONPROFIT - NONAUTO PRESORT a/
NONPROFIT -AUTO PRESORT 31
NONPROFIT ENHANCED CARRIER ROUTE 31
DOMESTIC MAILING FEES _U
TOTAL STANDARD MAIL (A) I/
-_-_-PER~~~?r---C’M’T~~----~~!~~~----0.47
2.51
0.16
0.79
1.50
4.95
1.17
0.97
MAIL
PERIODICALS MAIL:
IN-COUNTY 31
OUTSIDE COUNTY:
REGULAR 11
SPECIAL NONPROFIT31
CLASSROOM 3/
DOMESTIC MAIL FEES 21
TOTAL PERIODICALS II
UPPER 95%
CONFIDENCE
54,273,024
4,658,236
34,696,924
1,279,092
2,971.751
553,662
1.852,337
149,125
PRIORITY MAIL 11
DOMESTIC MAIL FEES _U
TOTAL PRIORITY I/
EXPRESS
LOWER 95%
CONFIDENCE
STANDARD MAIL (6):
PARCEL POST I/
BOUND PRINTED MATTER 11
SPECIAL STANDARD 2
LIBRARY MAIL2/
DOMESTIC MAIL FEES 2/
TOTAL STANDARD MAIL (B) 11
8
316,148
488,413
191,093
27,728
0.88
0.45
3.73
3.39
310,695
484,105
177,123
25,886
321,601
492,720
205,063
29,571
1,023,382
1.50
993,294
1,053,469
TABLE 2
(CONTINUED)
FISCAL YEAR 1996 PIECES ESTIMATES
AND ASSOCIATED
CONFIDENCE LIMITS
C.V. 31 OF
ESTIMATE
PIECES
SERVICE CATEGORY
________________________________________-----------U.S. POSTAL SERVICE
I’,OOO~-._-P.E~~~~_~~!~-~~-----~!~~~
-_-_
MAIL
FREE MAIL FOR THE BLIND AND HANDICAPPED
TOTAL DOMESTIC
TOTAL INTERNATIONAL
MAIL
TOTAL ALL MAIL
USPS SPECIAL SERVICE TRANSACTIONS
REGISTERED TRANSACTIONS:
CERTIFIED TRANSACTIONS
RETURN RECEIPTS
SPECIAL DELIVERY TRANSACTIONS
SPECIAL HANDLING TRANSACTIONS
TOTAL
361,329
398,877
53,169
4.58
48,396
57,942
N/C
N/C
N/C
15,254
40,789
3,845
278,298
237,256
1
208,597
784,038
0.12
2.96
0.02
4.12
3.86
69.54
N/C
2.58
15,218
38,423
3,843
255,824
219,306
0
15,290
43,156
3,846
300,771
255,206
1
744,391
823,686
14,700
1,114
1,133
0
4
16,952
0.00
15.87
27.03
14,700
767
533
14,700
1,460
1,734
30.37
2.10
2
16,254
7
17,649
11 COMBINED DRPW AND BRPW (INCLUDES OTHER SOURCE DATA IF ANY)
_U DRPW (INCLUDES OTHER SOURCE DATA IF ANY)
31 BRPW (INCLUDES OTHER SOURCE DATA IF ANY)
41 COEFFICIENT OF VARIATION = (100 x (EST. STD. ERROR I EST. PIECES)
51 NOT COMPUTED
fi/ LOWER LIMIT - EST. PIECES - (1.97 x EST. STD. ERROR)
UPPER LIMIT - EST. PIECES + (1.97 x EST. STD. ERROR)
9
_____
2.52
0
944,022
0
196,904,691
SPECIAL AND OTHER SERVICES:
REGISTERED _U
INSURANCE u
COLLECT ON DELIVERY21
CERTIFIED u
RETURN RECEIPTS U
SPECIAL DELIVERY _U
MONEY ORDERS
SUBTOTAL
UPPER 95%
CONFIDENCE
380,103
195.960,669
MAIL
LOWER 95%
CONFIDENCE
TABLE 3
FISCAL YEAR 1996 WEIGHT ESTIMATES
AND ASSOCIATED
CONFIDENCE LIMITS
WEIGHT
SERVICE CATEGORY
______________-__--_----------------------------FIRST-CLASS MAIL:
SINGLE-PIECE
LETTERS, FLATS, AND IPPS _U
NONAUTO PRESORT LETTERS, FLATS, AND IPPS 11
AUTO PRESORT LETTERS AND FLATS 11
AUTO CARRIER ROUTE PRESORT LETTERS 11
SINGLE-PIECE CARDS _U
NONAUTO PRESORT MAILING CARDS II
AUTO PRESORT CARDS I/
AUTO CARRIER ROUTE PRESORT CARDS a/
DOMESTIC MAIL FEES a
TOTAL FIRST-CLASS
PRIORITY MAIL11
DOMESTIC MAIL FEES U
TOTAL PRIORITY I/
EXPRESS
STANDARD MAIL (B):
PARCEL POST 11
BOUND PRINTED MATER I/
SPECIAL STANDARD _U
LIBRARY MAIL2
DOMESTIC MAIL FEES 2/
TOTAL STANDARD MAIL (B) I/
UPPER 95%
CONFIDENCE
_______
2,589.862
188,724
1,285.947
46,628
18,579
4.089
16:ZQl
1,226
0.40
1.76
0.24
0.95
1.50
6.24
1.83
0.90
2,569.557
182,214
1,279,897
45,760
18,033
3,589
15,706
1,204
2,610,166
195,234
1,291,996
47,496
19,126
4,590
16,875
1,248
4,151,345
0.27
4,129.377
4.173,314
1,979.953
1.21
1.932,996
2,026.909
1,979,953
1.21
1.932.996
2,026,909
77,739
N/C 51
MAILGRAMS
STANDARD MAIL (A):
SINGLE-PIECE _U
REGULAR - NONAUTO PRESORT 31
REGULAR -AUTO PRESORT 21
ENHANCED CARRIER ROUTE/
NONPROFIT - NONAUTO PRESORT 3/
NONPROFIT - AUTO PRESORT 31
NONPROFIT ENHANCED CARRIER ROUTE 31
DOMESTIC MAILING FEES 2/
TOTAL STANDARD MAIL (A) 11
LOWER 95%
CONFIDENCE
t’ --___
J-““‘9 _____ _p.~~~~_T_--~!M_LT_~~-----~~~~~
MAIL
PERIODICALS MAIL:
IN-COUNTY s/
OUTSIDE COUNTY:
REGULAR 11
SPECIAL NONPROFIT 3/
CLASSROOM 3/
DOMESTIC MAIL FEES _U
TOTAL PERIODICALS 11
C.V. 41 OF
ESTIMATE
N/C
253,938
3.67
235,672
272,204
3.580,405
585,102
31,664
0.28
0.45
0.00
3,560,756
579,941
31,684
3,600,054
590.262
31,684
4,451,129
0.31
4.424,083
4,478,174
28,032
1,182.083
3,400,264
4.872,082
239,983
458,590
195.751
5.05
0.99
0.36
0.88
0.66
0.55
1.20
25,257
1,159,146
3,376,272
4.788,048
236,879
453,646
191,147
30,807
1.205.020
3,424.256
4.956.115
243,087
463,533
200,355
10,376,784
0.29
10.317,803
10,435.766
1.847,608
1.198.384
308,191
53,105
0.86
0.43
2.31
3.75
1.816.465
1,188,284
294,238
49,202
1,878,751
1,208,484
322,145
57,008
3,407.288
0.60
3,367.218
3,447.358
10
-
TABLE 3
(CONTINUED)
FISCAL YEAR 1998 WEIGHT ESTIMATES
AND ASSOCIATED
CONFIDENCE LIMITS
SERVICE CATEGORY
___________________---------------------------------------U.S. POSTAL SERVICE
C.V. 41 OF
LOWER 95% UPPER 95%
WEIGHT
ESTIMATE
CONFIDENCE CONFIDENCE
LIMIT 61
,ooosJ ______-______-~______--~------------=------PERCENT 51 LIMIT 61
_-_ Cl______
MAIL
96,248
3.31
90,004
102,492
27,190
4.45
24,819
29,562
24.567.677
N/C
FREE MAIL FOR THE BLIND AND HANDICAPPED
TOTAL DOMESTIC
MAIL
TOTAL INTERNATIONAL
TOTAL ALL MAIL
MAIL
0
244,612
0
24,812,289
11 COMBINED DRPW AND BRPW (INCLUDES OTHER SOURCE DATA IF ANY)
_U DRPW (INCLUDES OTHER SOURCE DATA IF ANY)
31 BRPW (INCLUDES OTHER SOURCE DATA IF ANY)
$1 COEFFICIENT OF VARIATION = (100 x (EST. STD. ERROR I EST. WEIGHT)
51 NOT COMPUTED
61 LOWER LIMIT - EST. WEIGHT - (1.97 x EST. STD. ERROR)
UPPER LIMIT - EST. WEIGHT + (1.97 x EST. STD. ERROR)
11
N/C
N/C