taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
072/Erath
072-903/Stephenville ISD

Category Summary

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

Stratum
Variance
A 141,052,960 0.9779 144,240,679 35 2,045 .006290096
A 145,605,270 0.9721 149,784,251 50 1,265 .003666567
A 154,309,960 0.9864 156,437,510 49 972 .001305451
A 160,245,750 0.9903 161,815,359 28 590 .009005289
B 24,428,240 1.0011 24,401,398 11 178 .000258034
B 25,788,920 0.8889 29,012,172 8 35 .029039357
B 16,580,830 0.9265 17,896,201 5 5 .012212860
E 237,572,420 0.9752 243,614,048 11 1,752 .002231269
F1 59,325,330 1.0436 56,846,809 11 352 .024215727
F1 59,238,760 0.9880 59,958,259 9 130 .006742127
F1 58,916,280 0.9369 62,884,278 8 53 .037210619
F1 54,654,310 1.0033 54,474,544 6 13 .000322164
L1 24,950,720 0.9910 25,177,316 10 343 .002623581
L1 24,103,090 1.0257 23,499,162 11 70 .014072524
L1 26,076,780 1.0943 23,829,645 7 30 .031863423
L1 24,628,310 0.9729 25,314,328 4 8 .004220961
Random Totals: 1,237,477,930   1,259,185,959 263 7,841  
Catg D1 Exception Values: 16,799,440   12,058,539      
Catg B Exception Values: 20,518,270   20,081,272      
Total Test Values (4): 1,274,795,640   1,291,325,770      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 64,566,288

Confidence Interval Values (5)

State Lower Limit: 1,226,759,482 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,274,795,640 (Within Confidence Interval)
State Upper Limit: 1,355,892,058 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,464,557,035 (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