taxes Property Tax Assistance

2018 Confidence Interval Detail

068/Ector
068-901/Ector County ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 1,254,467,073 0.8802 1,425,206,854 177 15328 0.050825685
A 1,349,427,105 0.9297 1,451,465,102 189 9443 0.016059040
A 1,432,001,026 0.9692 1,477,508,281 195 6876 0.011779373
A 1,426,367,375 0.9567 1,490,924,402 160 3862 0.023588158
B 81,430,640 0.9119 89,297,774 11 216 0.033893553
B 83,906,189 0.6781 123,737,191 9 26 0.039665362
B 84,176,838 0.6561 128,298,793 5 11 0.028255036
F1 474,467,373 0.8616 550,681,724 22 2289 0.035051190
F1 489,445,089 0.9857 496,545,692 16 696 0.041790689
F1 488,777,355 0.9485 515,316,136 12 259 0.016730460
F1 576,197,894 1.0171 566,510,563 13 72 0.013701097
G1 277,264,714 1.0111 274,220,862 10 292 0.003242273
G1 277,027,108 1.0428 265,656,989 9 69 0.003049228
G1 277,506,052 1.0554 262,939,219 8 33 0.013977840
G1 268,290,173 1.0392 258,169,912 5 11 0.010713545
L1 714,883,362 0.9539 749,432,186 10 1103 0.026362349
L1 666,459,578 1.0586 629,566,954 9 178 0.015176437
L1 742,217,396 1.0388 714,494,990 9 69 0.010103687
L1 901,005,619 0.9981 902,720,788 5 15 0.000673682
Random Totals: 11,865,317,959 12,372,694,412 874 40,848
CATG B EXCEPTION VALUES: 133,276,979 203,453,842
CATG D1 EXCEPTION VALUES: 3,275,791 3,786,141
CATG J EXCEPTION VALUES: 185,359,764 195,712,981
Total Test Values(3) 12,187,230,493 12,775,647,376

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 638,782,369

Confidence Interval Values(5)

Local Test Value: 12,187,230,493 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 12,136,865,007 (State Test Value minus Margin of Error Percent)
State Upper Limit: 13,414,429,745 (State Test Value plus Margin of Error Percent)

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