taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
062/Dewitt
062-905/Westhoff ISD

Category Summary

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

Stratum
Variance
G1 314,764,547 1.0279 306,220,982 8 34 .004528847
G1 318,408,528 0.9620 330,985,996 7 18 .017433270
G1 350,736,110 1.0232 342,783,532 5 11 .087597598
Random Totals: 983,909,185   979,990,510 20 63  
Catg D1 Exception Values: 2,868,470   2,804,783      
Catg G1 Exception Values: 270,313,390   273,914,157      
Total Test Values (4): 1,257,091,045   1,256,709,450      

Margin of Error

Margin of Error Percent: 6.1089931
Margin of Error Value: 76,772,294

Confidence Interval Values (5)

State Lower Limit: 1,179,937,156 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,257,091,045 (Within Confidence Interval)
State Upper Limit: 1,333,481,744 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,455,686,466 (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