taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
042/Coleman
042-903/Santa Anna ISD

Category Summary

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

Stratum
Variance
A 1,154,630 0.4888 2,362,173 10 87 .157069509
A 2,718,190 0.7215 3,767,415 17 115 .111838027
A 4,491,880 0.9157 4,905,406 16 119 .048790593
A 8,029,730 0.9638 8,331,324 23 102 .021648659
E 31,062,720 0.9874 31,459,105 17 577 .064993011
G1 819,977 1.0919 750,963 8 44 .088844494
G1 830,387 0.9538 870,609 5 10 .015247658
G1 861,394 1.0236 841,534 3 5 .024171695
Random Totals: 49,968,908   53,288,529 99 1,059  
Catg J Exception Values: 2,726,730   2,544,025      
Catg D1 Exception Values: 9,981,010   7,200,805      
Catg G1 Exception Values: 1,551,134   1,494,045      
Total Test Values (4): 64,227,782   64,527,404      

Margin of Error

Margin of Error Percent: 6.1158031
Margin of Error Value: 3,946,369

Confidence Interval Values (5)

State Lower Limit: 60,581,035 (State Test Value minus Margin of Error Percent)
Local Test Value: 64,227,782 (Within Confidence Interval)
State Upper Limit: 68,473,773 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 90,057,470 (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