taxes Property Tax Assistance

2020 Confidence Interval Detail

Williamson County
246-902/Florence ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 45,810,426 0.8763 52,277,104 15 437 0.329741922
A 49,716,620 1.0128 49,088,290 16 262 0.042085273
A 44,628,660 1.0707 41,681,760 15 145 0.028316435
A 50,123,033 1.0767 46,552,459 14 103 0.016165400
E 159,792,601 0.9321 171,432,895 20 963 0.049335800
F1 6,754,967 0.9818 6,880,186 9 45 0.024110914
F1 6,648,385 0.9558 6,955,833 8 20 0.038258705
F1 4,862,399 1.0433 4,660,595 5 7 0.048490217
F1 7,982,952 0.9756 8,182,608 3 6 0.000844483
L1 2,993,527 0.9323 3,210,905 10 34 0.032321341
L1 2,868,402 1.0199 2,812,435 4 8 0.006167361
L1 2,099,688 1.0000 2,099,688 2 3 0.000000000
Random Totals: 384,281,660 395,834,758 121 2,033
CATG D1 EXCEPTION VALUES: 2,628,209 2,436,964
CATG L1 EXCEPTION VALUES: 16,237,842 15,542,692
Total Test Values 403,147,711 413,814,414

Margin of Error

Margin of Error Percent: 5.6692360
Margin of Error Value: 23,460,116

Confidence Interval Values(5)

Local Test Value: 403,147,711 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 390,354,298 (State Test Value minus Margin of Error Percent)
State Upper Limit: 437,274,530 (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