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2007 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 31,001,430 0.9882 31,371,615 7 428 .005527748
A 30,964,590 0.9346 33,131,382 8 239 .006182795
A 30,786,734 0.9745 31,592,339 12 162 .005486945
A 30,889,312 1.0017 30,836,889 7 106 .000932415
D3 40,205,280 0.9259 43,422,918 20 1,032 .041591362
Random Totals: 163,847,346   170,355,143 54 1,967  
Catg D1 Exception Values: 2,481,900   2,038,335      
Total Test Values (4): 166,329,246   172,393,478      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 8,619,674

Confidence Interval Values (5)

State Lower Limit: 163,773,804 (State Test Value minus Margin of Error Percent)
Local Test Value: 166,329,246 (Within Confidence Interval)
State Upper Limit: 181,013,152 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 169,501,573 (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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