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2007 Confidence Interval Detail
005/Archer
005-901/Archer City ISD

Category Summary

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

Stratum
Variance
A 12,088,867 0.9308 12,987,610 19 383 .087543588
A 12,151,438 0.9458 12,847,788 15 212 .068105951
A 12,121,425 0.8121 14,926,025 13 135 .022908086
A 11,993,373 0.9293 12,905,814 12 75 .015823318
D3 17,160,840 0.8054 21,307,226 33 1,902 .049406531
G1 10,613,010 0.9279 11,437,666 7 94 .034442518
G1 10,543,300 0.9638 10,939,303 6 29 .004315983
G1 10,455,920 1.0494 9,963,713 5 16 .065169840
G1 9,951,530 1.0185 9,770,771 4 8 .023728408
Random Totals: 107,079,703   117,085,916 114 2,854  
Catg J Exception Values: 9,388,809   9,604,595      
Catg D1 Exception Values: 20,359,120   15,802,900      
Total Test Values (4): 136,827,632   142,493,411      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 7,124,671

Confidence Interval Values (5)

State Lower Limit: 135,368,740 (State Test Value minus Margin of Error Percent)
Local Test Value: 136,827,632 (Within Confidence Interval)
State Upper Limit: 149,618,082 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 172,620,749 (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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