Quantcast Random Sampling Without Extrapolated Deductions

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MO-327 CHG 94-01
EXAMPLE
RANDOM SAMPLING WITHOUT EXTRAPOLATED DEDUCTIONS
MONTHLY PAYMENT ANALYSIS FORM
QA PLAN #1 SPACE CLEANING
CONTRACT
Cleaning
Low
Sweep/Dust Emptying
Dusting/ Walk-off
SUMMARY FOR THE PERIOD
Mop and/or
Mats
Containers Cleaning
1 NOV 94 THROUGH 30 NOV 94
Vacuum
20%
10%
50%
A.
Relative Value of Services (from PRS)
50%
$ 1,400.00 $ 1,400.00 $ 700.00
Cost of Services (Schedule of
$ 3,500.00
B.
Deductions, Item 1 x A/100)
9,500
9,500
9,500
9,500
Number Scheduled for Completion
C.
.074
$
.147 $ .147 $
$
.368
Cost per Service (B/C)
D.
212
212
212
212
Sample Size (Normal)
E.
29
13
17
21
Number in Sample Observed Unsat
F.
13.68% 6.13%
8.02%
9.91%
G.
Observed Defect Rate (ODR) (F/E x 100)
0
7
0
10
Validated Customer Complaints (# Unsat)
H.
0
2
0
0
Unscheduled Inspections (# Unsat)
I.
4.26 $
1.62
$
3.96
$
$
7.73
Value of Unsat Performed Work
J.
((F + H + I) x D)
.42 S
.16
$
.39
$
$
.77
K.
Deduct for Liquidated Damages (J x .1)
Number of Services Reworked
L.
O
O
O
1
(1) Sampled Services
7
O
0
O
(2) Customer Complaints
1
0
0
0
(3) Unscheduled Inspections
M.
Payment for Rework
0$
.66
$
1.47
$
$
0
((L(1) + L(2) + L(3)) x D)
Other Adjustments
N.
0$
0
$
0
$
$
0
(" - " indicates a deduction)
1.12
$
2.88 $
4.68 $
$
8.50
Total Deductions (J + K - M + N)
O.
TOTAL PAYMENT DEDUCTIONS = $ 17.18
DATE
AUTHORIZED SIGNATURE
G-5





 


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