taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
246/Williamson
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 27,369,105 0.9145 29,927,944 16 386 .152405213
A 27,169,128 0.9385 28,949,524 15 223 .031068322
A 26,702,576 0.9588 27,849,996 16 136 .016710365
A 40,305,840 1.0059 40,069,430 14 128 .009459238
E 84,987,282 0.9755 87,121,765 15 748 .023078373
F1 3,747,738 1.1067 3,386,408 8 40 .060411148
F1 4,232,813 1.0306 4,107,135 7 21 .049426891
F1 3,526,712 1.1400 3,093,607 6 10 .030614059
F1 5,462,716 1.0544 5,180,876 3 6 .021747454
Random Totals: 223,503,910   229,686,685 100 1,698  
Catg D1 Exception Values: 4,055,166   3,711,663      
Total Test Values (4): 227,559,076   233,398,348      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 11,669,917

Confidence Interval Values (5)

State Lower Limit: 221,728,431 (State Test Value minus Margin of Error Percent)
Local Test Value: 227,559,076 (Within Confidence Interval)
State Upper Limit: 245,068,265 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 246,885,320 (See ISD Summary Worksheet)

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, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories