taxes Property Tax Assistance

2018 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 18,353,060 0.9763 18,798,587 13 177 .005542400
A 18,509,760 0.9263 19,982,468 13 87 .007946839
A 18,946,070 0.8988 21,079,295 12 64 .018243826
A 18,274,330 1.0154 17,997,174 10 33 .007489552
E 36,560,940 0.9298 39,321,295 19 443 .228071165
Random Totals: 110,644,160   117,178,819 67 804  
Catg J Exception Values: 2,709,330   3,060,184      
Catg D1 Exception Values: 8,266,160   8,020,784      
Total Test Values (4): 121,619,650   128,259,787      

Margin of Error

Margin of Error Percent: 6.7491450
Margin of Error Value: 8,656,439

Confidence Interval Values (5)

State Lower Limit: 119,603,348 (State Test Value minus Margin of Error Percent)
Local Test Value: 121,619,650 (Within Confidence Interval)
State Upper Limit: 136,916,226 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 162,021,099 (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, D2, E, 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