taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
174/Nacogdoches
174-911/Douglass ISD

Category Summary

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

Stratum
Variance
A 15,112,620 1.0315 14,651,110 11 170 .012120570
A 11,693,170 1.0165 11,503,364 9 66 .004813448
A 17,210,680 1.0062 17,104,631 13 69 .009572721
A 20,044,510 1.0095 19,855,879 10 47 .003263797
E 30,084,780 1.0404 28,916,551 15 362 .009678645
G1 3,295,410 0.9053 3,640,130 10 117 .099047272
G1 3,268,640 1.0151 3,220,018 8 34 .006803511
G1 3,417,830 0.9947 3,436,041 6 17 .015229110
G1 3,086,300 1.0152 3,040,091 5 9 .000356681
Random Totals: 107,213,940   105,367,815 87 891  
Catg J Exception Values: 2,376,970   2,431,153      
Catg D1 Exception Values: 10,193,290   6,715,573      
Total Test Values (4): 119,784,200   114,514,541      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 5,725,727

Confidence Interval Values (5)

State Lower Limit: 108,788,814 (State Test Value minus Margin of Error Percent)
Local Test Value: 119,784,200 (Within Confidence Interval)
State Upper Limit: 120,240,268 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 167,645,989 (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