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2010 Confidence Interval Detail
244/Wilbarger
244-903/Vernon ISD

Category Summary

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

Stratum
Variance
A 49,016,500 1.0970 44,682,315 17 1,542 .033085975
A 49,508,290 1.0494 47,177,711 23 833 .034579149
A 49,187,570 1.1086 44,369,087 12 526 .025004886
A 49,109,490 1.0152 48,374,202 12 309 .013298549
D3 57,236,340 1.0795 53,021,158 21 2,965 .076635011
F1 13,332,090 0.9425 14,145,454 11 252 .005787216
F1 13,091,650 0.9844 13,299,116 10 70 .003811990
F1 14,086,090 1.0178 13,839,743 7 21 .020781007
F1 13,145,950 1.0245 12,831,576 3 4 .010432387
L1 7,473,680 0.9184 8,137,718 15 190 .011345137
L1 7,106,950 0.9244 7,688,176 10 40 .017820543
L1 5,730,450 0.9708 5,902,812 7 13 .007042065
L1 6,092,810 0.9786 6,226,047 2 2 .000075635
Random Totals: 334,117,860   319,695,115 150 6,767  
Catg J Exception Values: 38,605,901   39,463,594      
Catg D1 Exception Values: 27,634,230   34,000,191      
Total Test Values (4): 400,357,991   393,158,900      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 19,657,945

Confidence Interval Values (5)

State Lower Limit: 373,500,955 (State Test Value minus Margin of Error Percent)
Local Test Value: 400,357,991 (Within Confidence Interval)
State Upper Limit: 412,816,845 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 701,814,966 (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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