taxes Property Tax Assistance

2021 Confidence Interval Detail

Erath County
072-902/Dublin ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 24,231,270 0.6742 35,940,774 6 496 0.383028891
A 24,099,820 0.7082 34,029,681 6 287 0.030221047
A 32,593,430 0.9280 35,122,231 8 257 0.056840051
A 34,535,500 0.8694 39,723,372 14 170 0.016385481
E 182,627,210 0.9126 200,117,478 28 1,149 0.029827571
F1 9,030,960 0.8106 11,141,081 10 88 0.344352844
F1 9,228,800 0.8820 10,463,492 8 31 0.040920011
F1 7,672,980 0.9388 8,173,179 6 12 0.035920771
F1 10,481,930 1.0599 9,889,546 4 7 0.001023469
L1 4,260,330 1.0903 3,907,484 9 64 0.073716152
L1 4,492,300 1.0224 4,393,877 7 18 0.010317796
L1 5,570,370 1.0774 5,170,197 5 10 0.001699837
Random Totals: 348,824,900 398,072,392 111 2,589
CATG D1 EXCEPTION VALUES: 18,794,160 13,657,735
CATG J EXCEPTION VALUES: 2,242,920 2,303,972
CATG L1 EXCEPTION VALUES: 11,858,640 10,566,495
Total Test Values 381,720,620 424,600,594

Margin of Error

Margin of Error Percent: 5.5865278
Margin of Error Value: 23,720,430

Confidence Interval Values(5)

Local Test Value: 381,720,620 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 400,880,164 (State Test Value minus Margin of Error Percent)
State Upper Limit: 448,321,024 (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