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2008 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 36,863,600 0.9005 40,936,813 40 1,410 .169564796
A 42,048,220 0.9616 43,727,350 39 895 .049260028
A 46,039,070 0.9001 51,148,839 23 621 .040871466
A 66,902,870 0.9781 68,400,849 17 493 .046539766
D3 119,518,480 0.9484 126,021,173 20 2,942 .036225791
F1 11,358,990 0.9284 12,235,017 16 263 .048093214
F1 12,006,840 1.0142 11,838,730 14 79 .026661093
F1 10,273,840 0.9042 11,362,353 9 19 .012923362
L1 7,164,200 0.9777 7,327,606 9 201 .000160340
L1 6,061,150 0.9744 6,220,392 8 44 .000318062
L1 7,189,590 0.9716 7,399,743 8 19 .000745510
L1 9,623,420 0.9598 10,026,485 2 5 .000786422
Random Totals: 375,050,270   396,645,350 205 6,991  
Catg J Exception Values: 39,606,438   37,994,823      
Catg D1 Exception Values: 23,144,380   26,040,658      
Catg F1 Exception Values: 11,469,160   11,623,971      
Total Test Values (4): 449,270,248   472,304,802      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 23,615,240

Confidence Interval Values (5)

State Lower Limit: 448,689,562 (State Test Value minus Margin of Error Percent)
Local Test Value: 449,270,248 (Within Confidence Interval)
State Upper Limit: 495,920,042 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 825,630,721 (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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