taxes Property Tax Assistance

2017 Confidence Interval Detail

050/Coryell
050-902/Gatesville ISD

Category Summary

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

Stratum
Variance
A 85,863,050 0.9354 91,792,869 25 1,413 .048040707
A 95,835,334 0.9478 101,113,456 28 976 .015773572
A 97,977,570 0.9720 100,799,969 24 676 .015490142
A 97,344,522 0.9883 98,496,936 18 417 .013400298
E 252,597,487 0.9827 257,044,354 45 2,105 .019268739
F1 25,050,400 0.8577 29,206,482 9 181 .067788728
F1 24,757,505 0.9332 26,529,688 9 61 .021260717
F1 22,659,040 1.0069 22,503,764 6 17 .005626767
F1 28,772,430 0.9426 30,524,539 3 6 .009097882
Random Totals: 730,857,338   758,012,057 167 5,852  
Catg D1 Exception Values: 22,530,267   23,224,859      
Total Test Values (4): 753,387,605   781,236,916      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 39,061,845

Confidence Interval Values (5)

State Lower Limit: 742,175,071 (State Test Value minus Margin of Error Percent)
Local Test Value: 753,387,605 (Within Confidence Interval)
State Upper Limit: 820,298,761 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 749,846,439 (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