taxes Property Tax Assistance

2017 Confidence Interval Detail

229/Tyler
229-901/Colmesneil ISD

Category Summary

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

Stratum
Variance
A 14,261,325 0.8218 17,353,766 20 414 .179846023
A 14,573,086 0.8111 17,967,064 17 227 .038699380
A 13,913,233 0.8838 15,742,513 14 141 .048472361
A 15,070,484 1.0695 14,091,149 17 90 .025760735
E 33,331,592 0.7578 43,984,682 27 633 .129751076
Random Totals: 91,149,720   109,139,174 95 1,505  
Catg J Exception Values: 4,628,752   5,235,286      
Catg D1 Exception Values: 22,703,807   22,087,509      
Total Test Values (4): 118,482,279   136,461,969      

Margin of Error

Margin of Error Percent: 5.2795721
Margin of Error Value: 7,204,608

Confidence Interval Values (5)

Local Test Value: 118,482,279 (Outside Confidence Interval)
State Lower Limit: 129,257,361 (State Test Value minus Margin of Error Percent)
State Upper Limit: 143,666,577 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 131,908,852 (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