taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
175/Navarro
081-905/Wortham ISD

Category Summary

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

Stratum
Variance
E 7,348,090 0.9715 7,563,654 15 190 .001622383
G1 1,691,881 1.0277 1,646,279 4 5 .015605342
Random Totals: 9,039,971   9,209,933 19 195  
Catg J Exception Values: 2,014,135   2,005,641      
Catg D1 Exception Values: 1,441,396   1,376,072      
Total Test Values (4): 12,495,502   12,591,646      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 629,582

Confidence Interval Values (5)

State Lower Limit: 11,962,064 (State Test Value minus Margin of Error Percent)
Local Test Value: 12,495,502 (Within Confidence Interval)
State Upper Limit: 13,221,228 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 16,449,532 (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