taxes Property Tax Assistance

2018 Confidence Interval Detail

174/Nacogdoches
174-908/Central Heights ISD

Category Summary

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

Stratum
Variance
A 18,216,930 0.9524 19,127,394 11 300 .027186616
A 18,575,790 0.9531 19,489,865 10 133 .008953557
A 18,650,750 0.9623 19,381,430 10 79 .008035073
A 19,938,680 0.9923 20,093,399 9 58 .023451635
E 54,806,830 0.8665 63,250,814 19 601 .074877961
Random Totals: 130,188,980   141,342,902 59 1,171  
Catg J Exception Values: 475,420   536,987      
Catg D1 Exception Values: 5,789,310   5,495,078      
Total Test Values (4): 136,453,710   147,374,967      

Margin of Error

Margin of Error Percent: 5.7085088
Margin of Error Value: 8,412,913

Confidence Interval Values (5)

Local Test Value: 136,453,710 (Outside Confidence Interval)
State Lower Limit: 138,962,054 (State Test Value minus Margin of Error Percent)
State Upper Limit: 155,787,880 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 136,290,798 (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