taxes Property Tax Assistance

2021 Confidence Interval Detail

Tom Green County
226-906/Wall ISD

Category Summary

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

Stratum
Variance
A 46,302,000 0.8649 53,534,513 13 246 0.019253120
A 63,860,470 0.8934 71,480,266 13 216 0.004526290
A 53,990,030 0.8783 61,471,058 9 147 0.005377913
A 74,299,570 0.8883 83,642,429 11 134 0.017877461
E 215,022,170 0.8254 260,506,627 16 983 0.027057791
Random Totals: 453,474,240 530,634,893 62 1,726
CATG D1 EXCEPTION VALUES: 43,748,530 37,933,810
Total Test Values 497,222,770 568,568,703

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 28,428,435

Confidence Interval Values(5)

Local Test Value: 497,222,770 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 540,140,268 (State Test Value minus Margin of Error Percent)
State Upper Limit: 596,997,138 (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