int-oca-usps-t6.pdf

-.~
.
_--
’ REC,ElVEn
POSTAL RATE COMMISSION
20268-0001
WASHINGTON, D.C.
p05~k.L
RA,E
COMHISSIOH
OFFICEOF THE SECRETARY
Special
Services
Fees
and
Classifications)
Docket
No.
MC96-3
OFFICE OF THE CONSUMER ADVOCATE
INTERROGATORIES TO UNITED STATES POSTAL SERVICE
WITNESS TIMOTHY D. ELLARD
(OCA/USPS-T6-l-6)
(July
3, 1996)
Pursuant
the
Postal
to
Rate
sections
Commission,
25 and 26 of
the
Office
the
of
Rules
the
of
Practice
Consumer
of
Advocate
rhereby
submits
doclJip,-]>i;c;
the
United
incorporated
interrogatories
1csi;ruct.ior.s
States
Postal
and requests
illC lu&d
Service
with
dated
for
production
OCA Intcr;oga.iories
June
19,
1996,
by reference.
Respectfully
submitted,
/4ziuh@u
GAIL WILLETTE
Director
Office
of the
Consumer
DAVID RUDERMAN
Attorney
Advocate
of
3~ i
are
hereby
tc,
Docket
No.
MC96-3
OCA/USPS-T6-1.
describes
are
a.
at
one
location.
Please
confirm
second
rented
Please
confirm
larger,
then
included
c.
is
in
Please
confirm
larger,
then
to
refer
first
to
the
box
then
box.
that
it
is
do not
if
the
placement
impossible
If
if
is
be included
the
in
If
box
all
boxes
by
placement
would
be the
please
explain.
is
2 or
first
rented
box
confirm,
please
explain.
placement
sample.
the
section
determined
interval
the
do not
impossible
is
confirm,
for
you
when
box
if
sampled
you
that
it
example
first
This
determined
If
sample.
SSR-111.
sampled
For
the
9 of
is
first
interval.
2,
page
sample
that
placement
interval
b.
Please
how the
the
2
interval
for
the
you
do not
is
first
two
to
be
3 or
rented
confirm,
boxes
please
explain.
d.
Please
is
The
that
impossible
sample.
e.
confirm
for
If
you
instructions
25 cards
in
box
holders."
the
first
and
for
if
the
do not
the
first
boxes
last
to
placement
first
k-l
"Please
that
be associated
boxes
there
with
to
is
k12
then
be included
in
it
the
explain.
as these
25 boxes,
rented
to
please
9 state,
confirm
interval
boxes
confirm,
on page
Please
the
the
do not
could
is
place
all
be long-time
a propensity
long-time
box
be associated
with
-
holders
more
--~-
for
Docket
No.
recently
rented
explain
f.
provide
survey
intervals
g.
boxes.
and reconcile
Please
this
3
MC96-3
you
do not
with
the
page
a distribution
by box
of
1,
where
n represents
Other
than
other
identifiable
2,
of
size.
For
3,...,n
the
possibly
placement
excluded
of
or
for
box
box
over
intervals
used
in
how many placement
each
computed
long-term
please
9 instructions.
used
largest
the
confirm,
example,
were
groups
systematically
Please
If
box
size,
placement
interval.
holders,
are
that
were
holders
represented
in
there
the
any
sample?
explain.
.r-‘
OCA/USPS-TG-2.
explains
boxes
a.
Please
how the
when
In
all
the
boxes
at
based
is
the
4th
that
is
sampled.
i.
Please
you
whether
you
you
9 of
is
that
do not
have
would
This
SSR-111.
used
to
select
section
sample
location.
on a total
The instructions
"until
one
rented
confirm
If
page
interval
are
example,
100.
to
placement
sampled
ii.
refer
of
Then
box.
the
25th
confirm,
say
to
covered
include
106 boxes,
every
sampled
then
boxes."
the
box
please
continue
all
4th
104th
with
the
first
box
after
is
number
explain.
every
Please
box
box
box
in
4th
box
explain
the
sample
--
Docket
No.
MC96-3
4
/-“
(placing
104th
b.
Suppose
26 cards)
box
that
from
is
placement
interval
i.
the
there
procedure
confirm
rented
box.
to
you would
73 rented
select
would
size
exclude
a sample
1 boxes,
of
be int(73/25)
that
If
whether
the
sample.
were
used
Please
or
the
you
first
do not
size
and your
25.
Then
the
= 2.i
sampled
confirm,
box
then
is
the
Isecond
please
explain.
ii.
Please
confirm
rented
box.
that
If
the
you
25th
do not
sampled
confirm,
box
is
then
the
50th
please
explain.
iii.
Please
from
confirm
the
that
boxes
51,
If
you
do not
would
not
be excluded
sample.
52,
. . . 73 are
confirm,
excluded
then
please
explain.
iv.
If
boxes
please
51-73
confirm
that
included
in
sample,
(instead
of
251.
boxes
52,
so that
If
you
54,
from
.._,
36 cards
do not
sample,
72 would
would
confirm,
be
be placed
then
please
explain.
C.
,/-X
to
If
there
are
n>25
rented
boxes,
1 The greatest
integer
less
by int(x).
Thus int(2.92)=2.
than
then
or
please
equal
confirm:
to
x is
referred
--
Docket
No.
MC96-3
5
,--
i.
The first
ii.
iii.
sampled
confirm,
then
The last
sampled
confirm,
then
Boxes
1,
2,
whenever
box
please
box
___,
box
int(n/25).
is
box
you
25*int(n/25).
do not
:If
you
do not
explain.
int(n/25)-1
If
If
explain.
please
n250.
is
you
are
do not
excluded
confirm,
:Erom
then
sample
please
explain.
iv.
Boxes
j,
j+l,
j+2,
from
sample
confirm,
then
excluded
do not
,,--.
d.
Please
confirm
(lowest
box
have
e.
you
Page
to
do not
32 of
selection
as
random,
considering
randomly
selected
boxes
to
of
this
boxes
the
box
(it
in
the
be systematically
with
the
the
chance
holders
second
of
box
If
box
you
holders
highest
box
of
selection
at
this
numbers
as
location.
first
thus
excluded
stage
of
sample
be considered
box
determined
causing
from
sample
Please
holders."
can not
completely
PSU),
are
explain.
selection
is
long-time
the
sample
that
n>25*int(n/25).
the
box
describes
j=25*int(n/25)+1,
explain.
zero)
please
"a random
that
rented
(or
confirm,
confirm
of
,,--.
rest
SSR-111
please
and those
reduced
the
whenever
as a rule
numbers)
a greatly
compared
If
that
. . . . n , where
the
sample
is
not
by the
first
number
rented
selection
Docket
NO. MC96-3
6
/---
whenever
of
the
25.
If
the
the
computation
Please
of
types
2 and
Please
type
confirm
or
that
there
of
this
an exact
and
51-52
selection
Suppose
were
than
more
PSU.
If
you
25 out
of
73
Iof SSR-Ill
that
of
the
each
be distributed
do not
.and
25 boxes
be selected
would
mu:Ltiple
procedures
weights.
would
25 cards
not
explain.
9-10
sample
base
is
please
pages
25 boxes
that
1 boxes
to
design
3 so that
boxes
confirm,
between
B1, was 73 and
of
rented
refer
correspondence
value
a.
of
you do not
OCA/USPS-T6-3.
for
number
of
type.
to
confirm,
the
box
please
explain.
/--*
b.
Please
confirm
boxes
C.
d.
would
explain.
Please
confirm
not
confirm,
For
this
boxes
If
.~~
-
please
example,
how these
24 of
the
then
-
for
please
the
confirm
rented
zero.
could
from
34.25
you
this
percent)
rented
do not
confirm,
example.
If
you
do
explain.
73 rented
selected
--
P1,=0.3425
first
to
(or
If
selected.
please
the
was equal
selection,
are
been
that
for
explain
._---
have
please
selection
e.
that
If
that
box
you
confirm
have
that
49 remaining
probability
and the
do not
be included
boxes
the
in
a zero
the
boxes
last
23 rented
confirm,
the
of
please
sample.
probability
of
25 selected
boxes
that
are
allowed
a
Docket
No.
MC963
positive
7
chance
of
selection.
If
you
do not
confirm,
please
explain.
f.
Please
confirm
boxes
that
allowed
approximately
the
probability
of
selection,
a chance
of
selection,
would
0.5102.
If
you
confirm,
do not
for
be 25/49,
those
or
please
explain.
g.
Please
confirm
valid
is
for
for
not
the
of
a.
Please
page
If
52,
select&
just
1.
OCA/USPS-T6-5.
allowed
refer
you
a chance
24 boxes
you
that
that
are
do not
confirm,
to
formula
the
do not
If
the
renter
of
renter
compute
for
not
given
for
is
not
selection
please
These
the
and
it
a chance
explain.
Prbz at
the
please
the
b-th
confirm,
not
page
51 of
are
described
4th
of
box
of
type
b in
PSU
explain.
of
box
please
selection
size
in
for
the
explain
the
z-th
PSU is
how a
be selected.
SSR-111,
--
probability
holder
probability
do not
would
to
box
confirm,
that
you
At
Prbz refers
an arbitrary
confirm
r-th
Pbz probability
SSR-111.
for
you
Please
presented.
If
confirm
selected
I--.
the
Please
selection
b.
for
selection.
line
the
49 boxes
valid
OCA/USPS-T6-4.
z.
that
as:
four
(1)
steps
of
computation
-
weighting
are
of
or
design
--~
--
Docket
No.
MC96-3
a
/--base
weights,
adjustment
final
a.
for
Please
confirm
52 of
,,*--.
d.
confirm
values
of
on 2,
but
design
weights.
Please
confirm
at
nonresponse,
(4)
the
(3)
"cross-examination
of
given
weights,
the
or
steps
page
the
Drbt are
you
explain
trimmed,
do not
depend
confirm,
of
Drbt.
algorithm
used
to
53 of
please
the
trim
accomplished
SSR-111.
Drbz on
trimmed
definition
3 and 4 are
formula
Frbt,
that
and explain
If
you
that
by &CzD*rbzIzt,
I,,
at
the
top
does
not
depend
on the
of
selection
probability
why your
please
confirm
and
If
for
please
53 are
the
on t.
formula
by the
do not
explain.
confirm
confirm,
words,
the
confirm,
on page
a precise
of
to
do not
D,,,
depend
please
factor,
Please
other
top
weighting
not
1 refers
you
In
that
to
on z,
,--.
and
the.formula
According
Please
If
the
do not
provide
step
that
Drbz.
Please
confirm,
f.
that
and provide
formula
e.
differential
inadequacies,
SSR-111.
Please
explain
C.
frame
for
weights."
page
b.
(21 adjustment
is
final
of
page
box
weights
53,
the
final
value
of
a
depend
If
do not.
z
you
do
explain.
the
survey
where
1 if
estimate
DIrbz refers
the
z-th
of
to
PSU is
B,, would
the
tier
trimmed
t,
zero
be
design
Docket
NO. MC96-3
otherwise.
9
If
you
provide
a formula
of
page
53 of
If
you
g.
part
inappropriate
h.
Step
to
such
provide
a.
as used
in
explain
the
and
formu1.a
at
ths
top
above,
the
please
final
explain
weighting
why it
would
be
factor
using
a
an adjustment
a citation
which
for
for
describes
differential
the
portion
how this
nonresponse.
of
is
the
weighting
accomplished
for
survey.
OCA/USPS-T6-6.
number
e,
compute
to
documentation
your
D,,,
please
as Frbtz = Dfrbz B,,/C,C,D~,,,I,,.
2 refers
Please
for
confirm,
SSR-111.
confirm
formula
do not
Please
11 at
Please
page
refer
42 of
confirm
to
the
sample
disposition
for
ID
refers
to
sampled
SSR-111.
that
this
line
a unique
PSU.
b.
This
line
Please
the
has
explain
what
75 sampled
was made at
total
smaller
of
an entry
calling
33 calls
number
this
boxes
number
holders,
33 of
were
of
33 "renters
for
sample
--
box
attempts."
For
represents.
does
this
mean that
Or,
does
it
some of
them
repeat
them?
made,
call
holders?
example,
of
an attempt
mean that
calls,
a
to
a
Docket
No.
MC96-3
10
,.e-...
C.
d.
e.
This
line
has
an entry
for
mean that
the
response
rate
something
else?
Please
explain
f.
how the
response
2 of
the
weighting
This
line
contains
Does
this
mean that
this
for
explain.
,r
line
this
mean that
the
contains
for
questionnaire?
rate
(or
process
described
for
(ID no.
an entry
for
of
actually
Please
on page
63 "waiting
were
11,
page
6 respondents
explain
51 of
call
or
rate)
used
in
step
SSR-111.
attempts."
made to
6 "waiting
provided
i:;
this
7,133,
nonresponse
table
attempts
a box
a total
boxes
PSU was '7/75,
disposition
63 call
Does
completes."
this
sample
an entry
waiting
This
waiting
_----
explain.
from
Please
for
Please
computed
persons
7 "renters
34 of
thss 18
SSR-ill)?
completes."
of
the
a complete
Does
18 persons
response
to
Docket
No.
MC96-3
11
CERTIFICATE
I hereby
document
accordance
upon
certify
all
with
that
I have
participants
section
OF SERVICE
3.B(3)
this
date
of
record
of
the
in
served
this
special
DAVID RUDERMAN
Attorney
Washington,
D.C.
July
3, 1996
--
20268-0001
the
foregoing
proceeding
rules
of
in
practice.