taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
001/Anderson
001-908/Westwood ISD

Category Summary

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

Stratum
Variance
A 37,786,404 0.9786 38,612,716 14 676 .014235028
A 34,616,696 0.9998 34,623,621 15 433 .002585185
A 42,422,188 1.0349 40,991,582 16 432 .017186487
A 37,556,678 0.9551 39,322,247 13 255 .010037235
E 70,329,767 0.8643 81,371,939 18 1,360 .053349728
F1 5,905,819 0.8081 7,308,277 9 61 .017141630
F1 7,527,728 0.8951 8,409,930 9 34 .018697844
F1 7,908,487 0.9027 8,760,925 8 15 .009058385
L1 5,609,056 1.0715 5,234,770 9 56 .020556984
L1 4,013,811 0.9046 4,437,111 5 7 .157787018
L1 6,898,673 1.1396 6,053,592 3 4 .028224643
Random Totals: 260,575,307   275,126,710 119 3,333  
Catg J Exception Values: 5,976,861   6,024,913      
Catg D1 Exception Values: 3,836,358   3,906,176      
Catg F1 Exception Values: 6,104,339   6,759,498      
Catg L1 Exception Values: 11,768,493   9,120,001      
Total Test Values (4): 288,261,358   300,937,298      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 15,046,864

Confidence Interval Values (5)

State Lower Limit: 285,890,434 (State Test Value minus Margin of Error Percent)
Local Test Value: 288,261,358 (Within Confidence Interval)
State Upper Limit: 315,984,162 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 498,754,621 (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