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2009 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 29,191,930 0.9664 30,206,881 16 971 .024847437
A 30,766,490 0.9414 32,681,634 15 542 .012861667
A 27,819,850 0.9627 28,897,736 16 299 .017464358
A 35,871,780 0.9493 37,787,612 15 238 .004455222
D3 37,354,740 0.9944 37,565,105 20 3,274 .077366407
F1 9,145,300 0.9459 9,668,358 15 161 .008836991
F1 8,692,200 0.8942 9,720,644 15 68 .020171724
F1 9,198,070 0.9636 9,545,527 14 28 .010791969
L1 7,393,220 0.9556 7,736,731 7 181 .010417232
L1 6,058,950 1.0081 6,010,267 6 31 .000738919
L1 8,506,070 1.0036 8,475,558 4 14 .000830275
Random Totals: 209,998,600   218,296,053 143 5,807  
Catg D1 Exception Values: 21,363,550   20,994,033      
Catg F1 Exception Values: 9,174,050   8,901,440      
Catg L1 Exception Values: 7,514,850   7,309,222      
Total Test Values (4): 248,051,050   255,500,748      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 12,775,037

Confidence Interval Values (5)

State Lower Limit: 242,725,711 (State Test Value minus Margin of Error Percent)
Local Test Value: 248,051,050 (Within Confidence Interval)
State Upper Limit: 268,275,785 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 301,681,419 (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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