taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 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 21,855,135 0.8210 26,620,140 25 772 .115726700
A 21,046,986 0.9487 22,185,081 10 340 .073101191
A 21,594,415 0.9933 21,740,073 7 229 .039073258
A 21,194,788 1.0054 21,080,951 8 135 .003753031
C1 1,983,759 0.6872 2,886,727 9 774 .068855793
C1 2,714,259 0.8396 3,232,800 7 683 .160838291
C1 5,272,588 1.0990 4,797,623 21 888 .226788604
C1 6,540,521 0.9546 6,851,583 8 408 .273743726
E 65,569,515 0.9342 70,187,877 10 1,032 .080406268
F1 2,934,689 0.9979 2,940,865 15 40 .053335970
F1 3,018,208 0.8607 3,506,690 13 20 .139558067
F1 3,056,640 0.7573 4,036,234 8 11 .056428797
Random Totals: 176,781,503   190,066,644 141 5,332  
Catg J Exception Values: 2,371,780   2,414,885      
Catg D1 Exception Values: 3,768,288   4,015,023      
Catg F1 Exception Values: 7,825,500   6,835,740      
Total Test Values (4): 190,747,071   203,332,292      

Margin of Error

Margin of Error Percent: 6.8740675
Margin of Error Value: 13,977,199

Confidence Interval Values (5)

State Lower Limit: 189,355,093 (State Test Value minus Margin of Error Percent)
Local Test Value: 190,747,071 (Within Confidence Interval)
State Upper Limit: 217,309,491 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 282,891,452 (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