taxes Property Tax Assistance

2018 Confidence Interval Detail

020/Brazoria
020-906/Sweeny ISD

Category Summary

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

Stratum
Variance
A 113,180,881 0.9661 117,152,346 7 1,345 .046906020
A 99,023,320 0.9734 101,729,320 7 695 .012936395
A 92,660,110 0.9717 95,358,763 7 455 .009749538
A 87,723,475 0.9674 90,679,631 7 265 .008018709
E 80,797,335 1.0156 79,556,257 10 1,432 .001688191
L1 9,229,700 1.0142 9,100,473 9 61 .024360689
L1 10,758,790 0.8015 13,423,319 6 8 .048458163
Random Totals: 493,373,611   507,000,109 53 4,261  
Catg J Exception Values: 16,736,850   16,949,834      
Catg D1 Exception Values: 3,246,933   2,848,610      
Catg L1 Exception Values: 9,429,890   8,037,387      
Total Test Values (4): 522,787,284   534,835,940      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 26,741,797

Confidence Interval Values (5)

State Lower Limit: 508,094,143 (State Test Value minus Margin of Error Percent)
Local Test Value: 522,787,284 (Within Confidence Interval)
State Upper Limit: 561,577,737 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,777,723,758 (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, D2, E, 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