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2010 Confidence Interval Detail
160/McCulloch
160-901/Brady ISD

Category Summary

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

Stratum
Variance
A 30,586,840 0.9304 32,874,936 10 968 .017211549
A 30,251,140 0.8950 33,800,156 10 513 .014475185
A 30,543,790 0.9842 31,034,129 10 310 .002694636
A 33,855,890 0.9647 35,094,734 10 209 .002300836
D3 39,854,920 0.9726 40,977,709 20 3,285 .169143628
F1 9,475,120 0.9586 9,884,331 9 148 .012961116
F1 9,794,320 0.9456 10,357,783 9 66 .006023949
F1 9,587,210 0.9392 10,207,847 7 20 .024227034
L1 7,250,710 1.0009 7,244,190 9 166 .002453284
L1 6,909,960 1.0040 6,882,430 8 31 .001111437
L1 9,373,100 1.0283 9,115,141 5 12 .000762844
Random Totals: 217,483,000   227,473,386 107 5,728  
Catg J Exception Values: 3,067,510   2,826,877      
Catg D1 Exception Values: 21,341,790   21,485,073      
Catg F1 Exception Values: 8,001,100   7,975,648      
Catg L1 Exception Values: 4,732,190   4,702,536      
Total Test Values (4): 254,625,590   264,463,520      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 13,223,176

Confidence Interval Values (5)

State Lower Limit: 251,240,344 (State Test Value minus Margin of Error Percent)
Local Test Value: 254,625,590 (Within Confidence Interval)
State Upper Limit: 277,686,696 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 318,756,099 (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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