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2006 Confidence Interval Detail
020/Brazoria
020-908/Pearland ISD

Category Summary

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

Stratum
Variance
A 996,722,239 0.9794 1,017,686,583 50 7,540 .000845642
A 996,686,516 0.9939 1,002,803,618 50 5,879 .001380176
A 997,134,264 0.9833 1,014,069,220 50 4,816 .001027425
A 995,948,161 0.9807 1,015,548,242 50 3,353 .001646139
F1 108,928,105 0.7712 141,244,949 15 363 .188795857
F1 110,194,900 0.8617 127,880,817 7 106 .056817565
F1 110,553,944 0.9302 118,849,650 8 41 .011754399
F1 105,751,037 1.0160 104,085,666 6 11 .001238340
Random Totals: 4,421,919,166   4,542,168,745 236 22,109  
Catg D1 Exception Values: 260,730   264,161      
Total Test Values (4): 4,422,179,896   4,542,432,906      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 227,121,645

Confidence Interval Values (5)

State Lower Limit: 4,315,311,261 (State Test Value minus Margin of Error Percent)
Local Test Value: 4,422,179,896 (Within Confidence Interval)
State Upper Limit: 4,769,554,551 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 4,843,120,035 (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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