taxes Property Tax Assistance

2022 Confidence Interval Detail

Williamson County
246-912/Thrall ISD

Category Summary

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

Stratum
Variance
A 28,745,271 0.9396 30,593,094 11 240 0.090110537
A 20,069,872 0.9005 22,287,476 11 103 0.131700575
A 57,791,288 0.9885 58,463,620 11 209 0.047968566
A 101,657,640 1.0128 100,372,867 10 207 0.020921663
E 320,422,986 1.0027 319,560,174 21 1,275 0.029505363
Random Totals: 528,687,057 531,277,231 64 2,034
CATG D1 EXCEPTION VALUES: 18,231,291 18,393,087
CATG J EXCEPTION VALUES: 11,755,256 12,418,351
Total Test Values 558,673,604 562,088,669

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 28,104,433

Confidence Interval Values(5)

Local Test Value: 558,673,604 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 533,984,236 (State Test Value minus Margin of Error Percent)
State Upper Limit: 590,193,102 (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