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2009 Confidence Interval Detail
184/Parker
184-901/Poolville ISD

Category Summary

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

Stratum
Variance
A 5,377,610 0.8293 6,484,517 9 114 .055000675
A 5,610,320 0.9978 5,622,690 9 75 .014210721
A 6,208,430 1.1471 5,412,283 10 52 .002478277
A 7,363,050 1.0272 7,168,078 8 35 .002268545
D3 45,778,370 1.0705 42,763,540 20 1,196 .110570431
G1 3,565,850 1.0027 3,556,248 7 30 .008560732
G1 3,565,890 0.9239 3,859,606 4 10 .029001074
G1 3,653,090 0.9771 3,738,706 3 5 .001897831
G1 3,133,100 0.9923 3,157,412 2 3 .009694270
Random Totals: 84,255,710   81,763,080 72 1,520  
Catg J Exception Values: 2,027,050   1,995,156      
Catg D1 Exception Values: 2,519,580   1,973,148      
Total Test Values (4): 88,802,340   85,731,384      

Margin of Error

Margin of Error Percent: 7.4807891
Margin of Error Value: 6,413,384

Confidence Interval Values (5)

State Lower Limit: 79,318,000 (State Test Value minus Margin of Error Percent)
Local Test Value: 88,802,340 (Within Confidence Interval)
State Upper Limit: 92,144,768 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 104,551,825 (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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