taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
125/Jim Wells
125-903/Orange Grove ISD

Category Summary

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

Stratum
Variance
A 11,895,612 0.7765 15,319,526 10 278 .034372585
A 10,291,223 1.0242 10,048,060 9 114 .019917212
A 10,572,061 1.0924 9,677,830 9 76 .046433927
A 17,269,335 1.2653 13,648,411 8 67 .005691256
E 187,741,737 0.7577 247,778,457 14 4,004 .047264866
Random Totals: 237,769,968   296,472,284 50 4,539  
Catg J Exception Values: 20,596,870   16,827,970      
Catg D1 Exception Values: 10,377,493   10,782,857      
Total Test Values (4): 268,744,331   324,083,111      

Margin of Error

Margin of Error Percent: 8.9463770
Margin of Error Value: 28,993,697

Confidence Interval Values (5)

Local Test Value: 268,744,331 (Outside Confidence Interval)
State Lower Limit: 295,089,414 (State Test Value minus Margin of Error Percent)
State Upper Limit: 353,076,808 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 289,528,783 (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