taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
025/Brown
025-909/Early ISD

Category Summary

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

Stratum
Variance
A 24,298,778 0.9480 25,631,622 17 429 .043687812
A 27,428,290 0.9883 27,753,000 18 315 .019246486
A 27,272,672 0.8847 30,827,028 14 230 .018007377
A 33,637,350 0.9624 34,951,527 21 185 .016627643
E 62,129,833 0.9117 68,147,234 21 712 .027551263
F1 13,247,610 1.0423 12,709,978 13 86 .025287474
F1 12,855,550 1.0063 12,775,067 12 33 .024236238
F1 11,264,620 1.0299 10,937,586 9 15 .007565614
L1 4,630,060 1.0017 4,622,202 11 97 .007180534
L1 4,411,180 0.9915 4,448,996 13 26 .000553384
L1 4,487,000 0.9845 4,557,643 8 13 .001496242
Random Totals: 225,662,943   237,361,883 157 2,141  
Catg D1 Exception Values: 3,815,191   3,844,352      
Catg F1 Exception Values: 11,574,700   11,702,930      
Catg L1 Exception Values: 4,560,790   4,554,474      
Total Test Values (4): 245,613,624   257,463,639      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 12,873,182

Confidence Interval Values (5)

State Lower Limit: 244,590,457 (State Test Value minus Margin of Error Percent)
Local Test Value: 245,613,624 (Within Confidence Interval)
State Upper Limit: 270,336,821 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 248,200,271 (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