taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
184/Parker
184-902/Springtown ISD

Category Summary

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

Stratum
Variance
A 88,891,450 1.0113 87,898,200 18 1,520 .014069969
A 107,542,190 0.9558 112,515,369 27 1,021 .004562087
A 109,070,480 0.9614 113,449,636 25 716 .005374132
A 119,042,570 0.9971 119,388,798 23 537 .002372722
E 103,716,700 1.0184 101,842,793 18 1,227 .007334143
F1 11,587,670 0.7900 14,667,937 11 91 .084247789
F1 11,889,340 0.9430 12,607,996 13 49 .050119975
F1 10,630,340 0.9754 10,898,442 9 23 .012539635
F1 12,970,320 0.9380 13,827,633 6 10 .000577977
Random Totals: 575,341,060   587,096,804 150 5,194  
Catg J Exception Values: 9,629,580   9,297,803      
Catg D1 Exception Values: 3,050,220   2,367,457      
Total Test Values (4): 588,020,860   598,762,064      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 29,938,103

Confidence Interval Values (5)

State Lower Limit: 568,823,961 (State Test Value minus Margin of Error Percent)
Local Test Value: 588,020,860 (Within Confidence Interval)
State Upper Limit: 628,700,167 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 712,050,407 (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