taxes Property Tax Assistance

2017 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 129,961,350 0.9235 140,726,963 27 1,832 .011430255
A 133,620,178 0.9428 141,726,960 46 1,029 .011347243
A 159,230,335 0.9602 165,830,384 44 870 .012424886
A 247,865,202 0.9868 251,180,788 61 943 .003584458
E 142,462,077 1.0054 141,696,914 16 1,298 .039669923
F1 15,544,290 0.9486 16,386,559 11 110 .116817306
F1 16,646,080 0.7996 20,818,009 8 61 .068259842
F1 14,380,270 0.9162 15,695,558 8 27 .029127841
F1 14,930,920 0.9960 14,990,884 5 11 .000232026
Random Totals: 874,640,702   909,053,019 226 6,181  
Catg J Exception Values: 5,886,150   6,506,676      
Catg D1 Exception Values: 3,221,703   2,482,605      
Total Test Values (4): 883,748,555   918,042,300      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 45,902,115

Confidence Interval Values (5)

State Lower Limit: 872,140,185 (State Test Value minus Margin of Error Percent)
Local Test Value: 883,748,555 (Within Confidence Interval)
State Upper Limit: 963,944,415 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 885,961,718 (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, D2, E, 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