taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
174/Nacogdoches
174-909/Martinsville ISD

Category Summary

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

Stratum
Variance
A 3,235,600 0.9538 3,392,325 9 68 .030831062
A 3,918,580 0.9676 4,049,793 10 46 .016546048
A 3,845,980 1.0547 3,646,516 8 31 .011270271
A 4,387,350 0.9888 4,437,045 8 21 .022690150
E 24,663,610 1.0078 24,472,723 18 275 .010877569
G1 3,111,461 0.8901 3,495,631 15 28 .040463877
G1 3,060,930 1.0478 2,921,292 10 13 .040181684
G1 3,596,080 0.9225 3,898,190 7 8 .036527284
Random Totals: 49,819,591   50,313,515 85 490  
Catg J Exception Values: 351,240   342,097      
Catg D1 Exception Values: 7,068,480   4,908,842      
Catg G1 Exception Values: 2,544,519   2,302,857      
Total Test Values (4): 59,783,830   57,867,311      

Margin of Error

Margin of Error Percent: 5.0000008
Margin of Error Value: 2,893,366

Confidence Interval Values (5)

State Lower Limit: 54,973,945 (State Test Value minus Margin of Error Percent)
Local Test Value: 59,783,830 (Within Confidence Interval)
State Upper Limit: 60,760,677 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 76,219,757 (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