taxes Property Tax Assistance

2019 Confidence Interval Detail

Jeff Davis County
122-901/Fort Davis ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 29,203,250 0.9404 31,054,073 16 418 0.059452166
A 29,039,340 1.0528 27,582,960 15 226 0.039618218
A 29,623,590 1.0022 29,558,561 15 157 0.066051290
A 28,363,970 1.0161 27,914,546 15 90 0.096186109
C1 3,091,850 1.2666 2,441,063 9 129 0.127815802
C1 2,864,070 0.9382 3,052,729 10 70 0.149212801
C1 3,513,354 0.6951 5,054,458 8 51 0.227839008
C1 2,532,870 0.8961 2,826,548 7 17 0.246945702
E 28,502,910 0.8770 32,500,468 20 229 0.217078671
F1 4,020,860 1.0959 3,669,003 8 36 0.032253618
F1 4,301,860 0.9963 4,317,836 7 18 0.000756934
F1 4,448,800 0.9352 4,757,057 4 8 0.009783874
Random Totals: 169,506,724 174,729,302 134 1,449
CATG D1 EXCEPTION VALUES: 14,202,970 15,384,742
CATG F1 EXCEPTION VALUES: 3,179,780 3,852,943
CATG J EXCEPTION VALUES: 12,375,650 12,229,772
Total Test Values(3) 199,265,124 206,196,759

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 10,309,838

Confidence Interval Values(5)

Local Test Value: 199,265,124 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 195,886,921 (State Test Value minus Margin of Error Percent)
State Upper Limit: 216,506,597 (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