taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
226/Tom Green
226-901/Christoval ISD

Category Summary

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

Stratum
Variance
A 24,864,690 0.9689 25,662,803 15 292 .016529304
A 30,048,310 0.9237 32,530,378 15 183 .016607379
A 25,066,630 0.9213 27,207,891 15 108 .025463508
A 50,329,870 0.9239 54,475,452 15 156 .013941805
E 44,295,160 1.0165 43,576,153 20 416 .123174222
G1 1,183,048 0.9686 1,221,400 4 12 .055664082
G1 1,321,414 1.0802 1,223,305 3 4 .003833728
G1 1,500,760 1.0465 1,434,075 2 3 .013400791
Random Totals: 178,609,882   187,331,457 89 1,174  
Catg J Exception Values: 1,249,740   1,379,505      
Catg D1 Exception Values: 11,822,850   10,305,835      
Catg G1 Exception Values: 6,912,072   6,563,695      
Total Test Values (4): 198,594,544   205,580,492      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 10,279,025

Confidence Interval Values (5)

State Lower Limit: 195,301,467 (State Test Value minus Margin of Error Percent)
Local Test Value: 198,594,544 (Within Confidence Interval)
State Upper Limit: 215,859,517 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 230,033,911 (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