taxes Property Tax Assistance

2017 Confidence Interval Detail

228/Trinity
228-903/Trinity ISD

Category Summary

(1)
Category		 (1)
Local
Value		 (1)
Stratum
Ratio		 (1)
State
Value		 (2)
Sample
Size		 (3)
Total
Parcels
Stratum
Variance
A 61,000,702 0.9622 63,397,113 30 1,430 .080474530
A 60,445,769 0.9620 62,833,440 20 696 .031695676
A 61,632,931 0.9395 65,601,842 19 442 .022215637
A 69,848,247 1.0101 69,149,834 16 254 .013569153
C1 8,041,358 0.7658 10,500,598 10 2,975 .193771227
C1 7,699,013 1.0328 7,454,505 11 1,790 .211498225
C1 7,900,005 0.9648 8,188,231 11 1,239 .155136432
C1 7,963,266 0.9129 8,723,043 15 386 .127712153
E 49,674,292 0.9334 53,218,654 18 570 .153718080
F1 8,706,653 1.0477 8,310,254 9 106 .003602676
F1 8,673,902 1.0063 8,619,599 8 37 .005173652
F1 18,813,817 0.9627 19,542,762 10 18 .044794769
Random Totals: 370,399,955   385,539,875 177 9,943  
Catg J Exception Values: 15,353,560   15,314,668      
Catg D1 Exception Values: 7,456,394   7,109,916      
Total Test Values (4): 393,209,909   407,964,459      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 20,398,222

Confidence Interval Values (5)

State Lower Limit: 387,566,237 (State Test Value minus Margin of Error Percent)
Local Test Value: 393,209,909 (Within Confidence Interval)
State Upper Limit: 428,362,681 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 360,246,214 (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