taxes Property Tax Assistance

2016 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 77,612,647 1.0147 76,488,269 13 1,091 .027626641
A 93,199,495 0.9846 94,657,216 13 772 .006507933
A 112,867,218 0.9890 114,122,566 17 651 .017565829
A 136,698,388 0.9731 140,477,225 17 461 .019145245
E 78,378,015 0.8997 87,115,722 15 1,441 .054414583
G1 5,495,313 0.9706 5,661,769 11 39 2.111934156
L1 11,931,630 0.9766 12,217,520 9 66 .006446972
L1 8,567,920 1.0085 8,495,706 4 6 .001360825
L1 12,061,030 0.9880 12,207,520 2 4 .007200099
Random Totals: 536,811,656   551,443,513 101 4,531  
Catg J Exception Values: 14,459,650   14,737,365      
Catg D1 Exception Values: 3,319,029   2,963,724      
Catg G1 Exception Values: 19,941,492   19,681,838      
Catg L1 Exception Values: 4,233,630   3,803,234      
Total Test Values (4): 578,765,457   592,629,674      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 29,631,483

Confidence Interval Values (5)

State Lower Limit: 562,998,191 (State Test Value minus Margin of Error Percent)
Local Test Value: 578,765,457 (Within Confidence Interval)
State Upper Limit: 622,261,157 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,139,982,621 (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