taxes Property Tax Assistance

2019 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 19,054,704 0.9426 20,215,048 13 235 0.079433428
A 21,184,261 1.0164 20,842,445 14 164 0.030046343
A 22,940,810 0.9800 23,408,990 16 126 0.020327073
A 26,728,178 0.9908 26,976,361 13 100 0.040386550
E 159,233,215 0.9610 165,695,333 25 1024 0.008554262
G1 17,845,953 1.0150 17,582,220 9 81 0.001261560
G1 17,919,950 1.0022 17,880,613 8 28 0.000259447
G1 18,086,019 1.0351 17,472,726 6 15 0.001890517
G1 16,889,119 1.0128 16,675,670 5 9 0.000641835
Random Totals: 319,882,209 326,749,406 109 1,782
CATG D1 EXCEPTION VALUES: 2,928,996 2,765,216
CATG J EXCEPTION VALUES: 2,685,637 3,000,714
Total Test Values(2) 325,496,842 332,515,336

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 16,625,767

Confidence Interval Values(5)

Local Test Value: 325,496,842 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 315,889,569 (State Test Value minus Margin of Error Percent)
State Upper Limit: 349,141,103 (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