taxes Property Tax Assistance

2017 Confidence Interval Detail

226/Tom Green
226-905/Water Valley ISD

Category Summary

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

Stratum
Variance
A 13,187,530 1.0083 13,078,975 11 216 .019526877
A 12,807,620 0.9696 13,209,179 10 108 .016940902
A 13,756,860 1.0346 13,296,791 10 77 .004718649
A 17,091,470 0.9634 17,740,783 8 61 .035364544
E 19,048,290 0.9485 20,082,541 15 227 .022651510
G1 5,509,381 1.1216 4,912,073 8 37 .126447619
G1 5,661,796 1.0656 5,313,247 5 11 .160257953
G1 5,604,392 1.0086 5,556,605 4 6 .008423912
Random Totals: 92,667,339   93,190,194 71 743  
Catg J Exception Values: 4,500,033   4,556,988      
Catg D1 Exception Values: 11,355,360   7,872,295      
Catg G1 Exception Values: 4,660,210   4,698,827      
Total Test Values (4): 113,182,942   110,318,304      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 5,515,915

Confidence Interval Values (5)

State Lower Limit: 104,802,389 (State Test Value minus Margin of Error Percent)
Local Test Value: 113,182,942 (Within Confidence Interval)
State Upper Limit: 115,834,219 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 117,842,182 (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