taxes Property Tax Assistance

2023 Confidence Interval Detail

Erath County
072-910/Morgan Mill ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 3,987,510 1.0670 3,737,123 8 28 0.013165965
A 3,222,700 1.0406 3,096,963 7 13 0.042742007
A 4,662,250 1.0998 4,239,180 7 13 0.055129601
A 11,201,290 1.0297 10,878,207 5 23 0.016179685
E 154,925,620 0.9368 165,377,477 20 488 0.028591209
Random Totals: 177,999,370 187,328,950 47 565
CATG D1 EXCEPTION VALUES: 4,398,850 4,399,189
CATG J EXCEPTION VALUES: 93,390 96,477
Total Test Values 182,491,610 191,824,616

Margin of Error

Margin of Error Percent: 6.4674700
Margin of Error Value: 12,406,199

Confidence Interval Values(5)

Local Test Value: 182,491,610 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 179,418,417 (State Test Value minus Margin of Error Percent)
State Upper Limit: 204,230,815 (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