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2012 Confidence Interval Detail
019/Bowie
019-906/Redwater ISD

Category Summary

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

Stratum
Variance
A 36,580,726 0.9732 37,588,087 10 505 .007174692
A 37,127,116 0.9645 38,493,640 12 282 .007359611
A 39,078,653 0.9790 39,916,908 11 206 .003019209
A 34,151,805 0.9577 35,660,233 13 124 .004666698
D3 45,458,432 0.9957 45,654,747 15 1,243 .005825368
Random Totals: 192,396,732   197,313,615 61 2,360  
Catg D1 Exception Values: 3,107,169   2,584,914      
Total Test Values (4): 195,503,901   199,898,529      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 9,994,926

Confidence Interval Values (5)

State Lower Limit: 189,903,603 (State Test Value minus Margin of Error Percent)
Local Test Value: 195,503,901 (Within Confidence Interval)
State Upper Limit: 209,893,455 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 201,857,813 (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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