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2012 Confidence Interval Detail
125/Jim Wells
125-902/Ben Bolt-Palito Blanco ISD

Category Summary

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

Stratum
Variance
A 1,471,138 0.9995 1,471,874 9 68 .002602766
A 1,546,405 0.9515 1,625,229 8 34 .009168115
A 1,474,564 0.9034 1,632,238 6 18 .006483117
A 1,565,494 0.9450 1,656,607 5 13 .002705199
D3 46,760,236 0.9692 48,246,220 17 1,980 .009774208
Random Totals: 52,817,837   54,632,168 45 2,113  
Catg J Exception Values: 299,210   213,121      
Catg D1 Exception Values: 10,568,006   11,541,209      
Total Test Values (4): 63,685,053   66,386,498      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 3,319,325

Confidence Interval Values (5)

State Lower Limit: 63,067,173 (State Test Value minus Margin of Error Percent)
Local Test Value: 63,685,053 (Within Confidence Interval)
State Upper Limit: 69,705,823 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 76,210,854 (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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