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2010 Confidence Interval Detail
019/Bowie
019-902/Hooks ISD

Category Summary

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

Stratum
Variance
A 21,340,654 1.0234 20,852,701 11 527 .039651179
A 21,983,606 0.9399 23,389,303 12 291 .007706086
A 21,317,505 1.0355 20,586,678 10 197 .026598862
A 22,539,089 0.9508 23,705,394 10 125 .005480806
D3 29,525,991 0.9682 30,495,756 20 1,006 .222172949
F1 2,698,911 0.9470 2,849,959 8 35 .013048036
F1 3,871,984 0.9602 4,032,477 7 19 .006566321
F1 2,583,773 0.9357 2,761,326 5 6 .007337588
F1 3,246,571 0.9643 3,366,764 2 4 .002830378
Random Totals: 129,108,084   132,040,358 85 2,210  
Catg J Exception Values: 3,382,136   2,974,273      
Catg D1 Exception Values: 3,936,228   3,525,742      
Total Test Values (4): 136,426,448   138,540,373      

Margin of Error

Margin of Error Percent: 5.2540764
Margin of Error Value: 7,279,017

Confidence Interval Values (5)

State Lower Limit: 131,261,356 (State Test Value minus Margin of Error Percent)
Local Test Value: 136,426,448 (Within Confidence Interval)
State Upper Limit: 145,819,390 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 137,934,766 (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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