taxes Property Tax Assistance

2020 Confidence Interval Detail

Williamson County
246-911/Taylor ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 220,427,882 0.9317 236,586,758 33 1,779 0.042561657
A 211,212,063 0.9739 216,872,434 56 1,186 0.017714100
A 211,865,940 0.9590 220,923,816 46 1,001 0.006531936
A 205,010,772 0.9963 205,772,129 26 684 0.010394769
E 92,531,961 0.8684 106,554,538 7 632 0.015313846
F1 57,255,872 0.9787 58,501,964 11 220 0.003758064
F1 54,734,037 0.8332 65,691,355 10 69 0.088873317
F1 67,359,336 0.8423 79,970,718 7 21 0.078265164
Random Totals: 1,120,397,863 1,190,873,712 196 5,592
CATG D1 EXCEPTION VALUES: 6,820,013 8,966,654
CATG F1 EXCEPTION VALUES: 49,917,607 52,061,415
Total Test Values 1,177,135,483 1,251,901,781

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 62,595,089

Confidence Interval Values(5)

Local Test Value: 1,177,135,483 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 1,189,306,692 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,314,496,870 (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