taxes Property Tax Assistance

2023 Confidence Interval Detail

Tom Green County
226-905/Water Valley ISD

Category Summary

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

Stratum
Variance
A 16,362,880 0.8840 18,510,045 12 183 0.087505575
A 24,610,640 0.9439 26,073,355 12 134 0.014588858
A 25,084,740 0.9829 25,521,152 12 89 0.008338666
A 27,835,080 0.9808 28,379,976 12 65 0.013182413
E 51,893,210 0.8988 57,736,104 20 294 0.039693331
G1 18,481,897 1.0112 18,277,192 9 41 0.000394633
Random Totals: 164,268,447 174,497,824 77 806
CATG D1 EXCEPTION VALUES: 9,269,690 6,180,207
CATG J EXCEPTION VALUES: 8,576,850 8,682,717
Total Test Values 182,114,987 189,360,748

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 9,468,037

Confidence Interval Values(5)

Local Test Value: 182,114,987 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 179,892,711 (State Test Value minus Margin of Error Percent)
State Upper Limit: 198,828,785 (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