taxes Property Tax Assistance

2018 Confidence Interval Detail

039/Clay
005-904/Windthorst ISD

Category Summary

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

Stratum
Variance
A 4,297,040 0.9194 4,673,744 14 46 .014956191
E 5,704,570 0.9907 5,758,121 16 80 .020718117
Random Totals: 10,001,610   10,431,865 30 126  
Catg J Exception Values: 1,432,280   1,617,763      
Catg D1 Exception Values: 1,319,610   1,231,823      
Total Test Values (4): 12,753,500   13,281,451      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 664,072

Confidence Interval Values (5)

State Lower Limit: 12,617,379 (State Test Value minus Margin of Error Percent)
Local Test Value: 12,753,500 (Within Confidence Interval)
State Upper Limit: 13,945,523 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 11,831,958 (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