taxes Property Tax Assistance

2017 Confidence Interval Detail

249/Wise
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 11,266,000 1.0582 10,646,381 9 138 .017959426
A 13,080,020 1.0711 12,211,764 9 94 .029160175
A 12,095,460 0.9555 12,658,776 10 65 .018381613
A 21,631,280 1.0752 20,118,378 8 81 .052583925
E 72,030,860 0.8707 82,727,530 20 531 .082845231
Random Totals: 130,103,620   138,362,829 56 909  
Catg J Exception Values: 2,658,140   2,944,128      
Catg D1 Exception Values: 763,980   718,521      
Total Test Values (4): 133,525,740   142,025,478      

Margin of Error

Margin of Error Percent: 7.8061241
Margin of Error Value: 11,086,685

Confidence Interval Values (5)

State Lower Limit: 130,938,793 (State Test Value minus Margin of Error Percent)
Local Test Value: 133,525,740 (Within Confidence Interval)
State Upper Limit: 153,112,163 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 137,713,364 (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