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2008 Confidence Interval Detail
107/Henderson
107-906/Malakoff ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 171,579,260 0.9957 172,320,237 33 1,902 .033535403
A 187,213,230 0.8677 215,758,015 22 922 .038495183
A 208,171,340 0.9263 224,734,255 22 597 .009987773
A 221,001,600 0.9172 240,952,464 16 276 .013671729
C 12,394,710 0.7882 15,725,336 12 3,270 .488544910
C 15,538,230 1.0150 15,308,601 10 443 .095942205
C 21,745,670 0.9858 22,058,906 13 194 .010536642
C 10,478,710 0.9898 10,586,694 6 31 .000531243
D3 59,963,420 0.9898 60,581,350 11 1,676 .088604003
Random Totals: 908,086,170   978,025,858 145 9,311  
Catg D1 Exception Values: 4,028,730   3,994,226      
Total Test Values (4): 912,114,900   982,020,084      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 49,101,004

Confidence Interval Values (5)

Local Test Value: 912,114,900 (Outside Confidence Interval)
State Lower Limit: 932,919,080 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,031,121,088 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 898,112,800 (See ISD Summary Worksheet)

Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories

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