taxes Property Tax Assistance

2021 Confidence Interval Detail

Wise County
249-901/Alvord ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 22,439,949 0.9873 22,728,602 10 229 0.041626250
A 32,063,803 0.9296 34,492,043 10 214 0.024454717
A 31,934,082 1.0035 31,822,703 13 156 0.012769907
A 47,112,987 0.9683 48,655,362 20 158 0.007237739
E 189,916,379 0.9554 198,782,059 28 956 0.026080714
F1 5,578,540 0.9836 5,671,553 9 38 0.003433602
F1 4,492,404 0.9214 4,875,628 6 11 0.014678667
F1 7,176,479 0.9274 7,738,278 5 11 0.041003183
F1 5,085,282 0.8574 5,931,050 3 4 0.013495765
G1 7,462,799 1.0853 6,876,254 9 76 0.121944719
G1 7,490,077 1.0103 7,413,716 8 25 0.032571453
G1 7,203,529 1.1584 6,218,516 6 12 0.025660278
G1 7,025,748 1.0842 6,480,122 5 7 0.033383085
Random Totals: 374,982,058 387,685,886 132 1,897
CATG D1 EXCEPTION VALUES: 2,911,230 1,829,545
CATG J EXCEPTION VALUES: 3,650,734 4,336,395
Total Test Values 381,544,022 393,851,826

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 19,692,591

Confidence Interval Values(5)

Local Test Value: 381,544,022 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 374,159,235 (State Test Value minus Margin of Error Percent)
State Upper Limit: 413,544,417 (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