taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
224/Throckmorton
224-902/Woodson ISD

Category Summary

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

Stratum
Variance
A 805,260 0.6697 1,202,419 8 53 .027826511
A 777,280 0.6639 1,170,779 10 30 .123795917
A 825,060 0.7608 1,084,464 7 22 .069754464
A 689,690 0.7296 945,299 8 12 .105060052
E 3,798,190 0.7775 4,885,132 16 161 .149081651
G1 5,113,960 1.0387 4,923,424 9 46 .048184284
G1 5,403,910 1.0039 5,382,917 6 13 .022868725
G1 5,063,470 1.0458 4,841,719 3 5 .053388547
Random Totals: 22,476,820   24,436,153 67 342  
Catg J Exception Values: 3,063,100   3,132,885      
Catg D1 Exception Values: 4,052,590   4,455,242      
Catg G1 Exception Values: 4,224,520   4,359,192      
Total Test Values (4): 33,817,030   36,383,472      

Margin of Error

Margin of Error Percent: 5.0000011
Margin of Error Value: 1,819,174

Confidence Interval Values (5)

Local Test Value: 33,817,030 (Outside Confidence Interval)
State Lower Limit: 34,564,298 (State Test Value minus Margin of Error Percent)
State Upper Limit: 38,202,646 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 37,996,750 (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