taxes Property Tax Assistance

2017 Confidence Interval Detail

220/Tarrant
220-915/Azle ISD

Category Summary

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

Stratum
Variance
A 272,631,248 0.9160 297,632,367 80 2,498 .033931485
A 338,783,323 0.9631 351,763,392 87 1,829 .009192731
A 374,875,664 0.9696 386,629,191 47 1,287 .008446961
A 391,269,133 0.9606 407,317,440 31 776 .015725950
F1 30,782,422 0.9006 34,179,905 11 165 .075639432
F1 35,522,127 0.9724 36,530,365 10 80 .151886754
F1 35,625,142 1.0640 33,482,276 10 38 .033657127
F1 38,992,775 0.9877 39,478,359 5 12 .002085460
Random Totals: 1,518,481,834   1,587,013,295 281 6,685  
Catg D1 Exception Values: 510,357   197,999      
Total Test Values (4): 1,518,992,191   1,587,211,294      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 79,360,564

Confidence Interval Values (5)

State Lower Limit: 1,507,850,730 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,518,992,191 (Within Confidence Interval)
State Upper Limit: 1,666,571,858 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,467,450,139 (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