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2006 Confidence Interval Detail
205/San Patricio
205-902/Gregory-Portland Cons ISD

Category Summary

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

Stratum
Variance
A 130,969,951 0.8858 147,854,991 29 1,677 .023435758
A 130,831,903 0.9728 134,490,032 28 1,177 .008998713
A 130,894,322 0.9774 133,920,935 32 905 .009815992
A 130,791,383 1.0033 130,361,191 31 526 .016078301
D3 31,373,297 0.9107 34,449,651 11 1,003 .009653618
F1 14,926,213 0.9103 16,397,026 10 100 .008736737
F1 14,872,646 0.9565 15,549,029 6 30 .008661307
F1 15,743,330 0.9613 16,377,125 5 9 .004770561
F1 13,019,718 0.9657 13,482,156 2 3 .001108812
Random Totals: 613,422,763   642,882,136 154 5,430  
Catg D1 Exception Values: 16,475,482   18,866,762      
Total Test Values (4): 629,898,245   661,748,898      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 33,087,445

Confidence Interval Values (5)

State Lower Limit: 628,661,453 (State Test Value minus Margin of Error Percent)
Local Test Value: 629,898,245 (Within Confidence Interval)
State Upper Limit: 694,836,343 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 878,646,529 (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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