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2006 Confidence Interval Detail
082/Frio
082-902/Dilley ISD

Category Summary

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

Stratum
Variance
A 6,398,095 0.8791 7,278,006 7 347 .029877687
A 6,434,144 0.9351 6,880,702 7 185 .019483091
A 6,362,066 1.0052 6,329,154 7 118 .014592552
A 6,387,690 1.0186 6,271,048 6 68 .006841415
D3 20,631,450 1.0344 19,945,331 12 1,940 .025551186
F1 2,025,823 0.9535 2,124,618 6 57 .009038839
F1 2,088,181 0.9086 2,298,240 5 21 .004691580
F1 2,346,072 1.0078 2,327,914 4 9 .009775756
F1 1,603,154 0.9848 1,627,898 2 3 .010333510
G1 2,389,990 0.8266 2,891,350 5 18 .051683981
G1 2,104,110 1.1153 1,886,587 3 6 .003683956
G1 2,560,530 0.9976 2,566,690 3 4 .002285820
Random Totals: 61,331,305   62,427,538 67 2,776  
Catg J Exception Values: 7,229,084   7,339,753      
Catg D1 Exception Values: 21,296,870   21,968,921      
Catg G1 Exception Values: 1,648,520   1,674,260      
Total Test Values (4): 91,505,779   93,410,472      

Margin of Error

Margin of Error Percent: 5.0000004
Margin of Error Value: 4,670,524

Confidence Interval Values (5)

State Lower Limit: 88,739,948 (State Test Value minus Margin of Error Percent)
Local Test Value: 91,505,779 (Within Confidence Interval)
State Upper Limit: 98,080,996 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 103,880,063 (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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