taxes Property Tax Assistance

2021 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 14,790,270 0.7546 19,600,146 11 219 0.088963301
A 14,157,870 0.9059 15,628,513 11 103 0.042764820
A 15,369,570 0.8526 18,026,707 10 73 0.030078282
A 16,076,020 0.9588 16,766,813 10 50 0.010738277
E 23,627,870 0.9667 24,441,781 21 233 0.035075177
G1 8,649,196 0.8953 9,660,668 8 33 0.127803389
L1 2,554,490 1.0170 2,511,790 6 11 0.000750938
Random Totals: 95,225,286 106,636,418 77 722
CATG D1 EXCEPTION VALUES: 11,597,170 6,579,579
CATG G1 EXCEPTION VALUES: 15,164,656 15,360,916
CATG J EXCEPTION VALUES: 7,928,910 8,219,715
CATG L1 EXCEPTION VALUES: 11,997,780 11,993,279
Total Test Values 141,913,802 148,789,907

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,439,495

Confidence Interval Values(5)

Local Test Value: 141,913,802 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 141,350,412 (State Test Value minus Margin of Error Percent)
State Upper Limit: 156,229,402 (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