taxes Property Tax Assistance

2017 Confidence Interval Detail

248/Winkler
248-901/Kermit ISD

Category Summary

(1)
Category		 (1)
Local
Value		 (1)
Stratum
Ratio		 (1)
State
Value		 (2)
Sample
Size		 (3)
Total
Parcels
Stratum
Variance
A 23,309,320 0.6866 33,948,908 16 848 .218615463
A 27,160,380 0.8510 31,915,840 15 584 .076514209
A 28,881,440 0.8601 33,579,165 16 398 .087083978
A 33,265,070 0.8130 40,916,445 15 255 .043777991
F1 7,048,580 0.6375 11,056,596 11 179 .150182619
F1 6,751,660 0.9714 6,950,443 8 54 .094214073
F1 8,033,370 0.7370 10,900,095 7 20 .184951009
G1 37,582,500 1.0329 36,385,420 13 146 .004291238
G1 37,990,140 0.9827 38,658,940 10 37 .010776571
G1 45,166,535 1.0214 44,220,222 7 14 .000800584
Random Totals: 255,188,995   288,532,074 118 2,535  
Catg J Exception Values: 7,846,690   8,749,205      
Catg D1 Exception Values: 760,862   878,365      
Catg F1 Exception Values: 7,612,350   6,876,472      
Catg G1 Exception Values: 28,521,980   28,281,235      
Total Test Values (4): 299,930,877   333,317,351      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 16,665,867

Confidence Interval Values (5)

Local Test Value: 299,930,877 (Outside Confidence Interval)
State Lower Limit: 316,651,484 (State Test Value minus Margin of Error Percent)
State Upper Limit: 349,983,218 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 584,690,369 (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