taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
026/Burleson
026-902/Somerville ISD

Category Summary

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

Stratum
Variance
A 13,742,357 0.8616 15,949,811 15 682 .071343510
A 14,440,732 0.9172 15,744,365 17 350 .066925550
A 16,929,998 0.9836 17,212,279 20 275 .037557161
A 23,368,436 1.0345 22,589,112 13 213 .027542221
C 1,981,937 1.1085 1,787,945 13 956 .169413225
C 1,832,113 1.1056 1,657,121 13 597 .149648145
C 5,427,249 1.2022 4,514,431 15 1,209 .112508198
C 4,573,846 1.0883 4,202,744 12 331 .074787377
D3 45,965,329 0.9807 46,869,918 20 2,229 .166340645
F1 3,158,459 0.9018 3,502,394 9 53 .070585442
F1 3,513,305 1.0260 3,424,274 7 22 .029271536
F1 3,204,045 0.9463 3,385,866 5 11 .046280808
F1 6,199,297 0.5914 10,482,410 3 5 .246000594
G1 4,203,220 0.9659 4,351,610 7 27 .045311158
G1 4,574,430 0.9905 4,618,304 5 10 .055766225
G1 4,175,720 1.0549 3,958,404 3 4 .010162411
Random Totals: 157,290,473   164,250,988 177 6,974  
Catg J Exception Values: 10,765,740   11,332,361      
Catg D1 Exception Values: 4,391,986   3,032,973      
Catg G1 Exception Values: 3,637,340   3,609,350      
Total Test Values (4): 176,085,539   182,225,672      

Margin of Error

Margin of Error Percent: 5.4924018
Margin of Error Value: 10,008,566

Confidence Interval Values (5)

State Lower Limit: 172,217,106 (State Test Value minus Margin of Error Percent)
Local Test Value: 176,085,539 (Within Confidence Interval)
State Upper Limit: 192,234,238 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 203,691,702 (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