taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
145/Leon
145-902/Centerville ISD

Category Summary

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

Stratum
Variance
A 8,186,270 0.7150 11,449,329 9 256 .095979937
A 8,460,630 0.8149 10,382,415 8 137 .030571583
A 9,581,000 0.9723 9,853,955 10 98 .010622305
A 13,818,550 0.9564 14,448,505 8 83 .005998715
E 154,756,880 0.8466 182,798,110 17 2,306 .097451453
G1 31,757,320 0.9548 33,260,704 8 31 .026410461
G1 29,299,080 1.0247 28,592,837 5 11 .006550142
G1 41,287,910 1.6450 25,099,033 4 6 .871567611
Random Totals: 297,147,640   315,884,888 69 2,928  
Catg J Exception Values: 5,893,440   6,091,169      
Catg D1 Exception Values: 12,701,980   9,987,736      
Catg G1 Exception Values: 17,032,309   16,413,527      
Total Test Values (4): 332,775,369   348,377,320      

Margin of Error

Margin of Error Percent: 8.9148410
Margin of Error Value: 31,057,284

Confidence Interval Values (5)

State Lower Limit: 317,320,036 (State Test Value minus Margin of Error Percent)
Local Test Value: 332,775,369 (Within Confidence Interval)
State Upper Limit: 379,434,604 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 380,299,143 (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