taxes Property Tax Assistance

2017 Confidence Interval Detail

184/Parker
184-909/Brock ISD

Category Summary

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

Stratum
Variance
A 52,075,340 0.7627 68,277,619 14 310 .077347414
A 81,190,070 0.9314 87,169,927 42 321 .030847161
A 100,449,463 0.9656 104,028,027 38 297 .006920863
A 108,451,050 0.9755 111,174,833 23 223 .020116690
E 170,717,360 0.9477 180,138,609 14 887 .166120725
F1 8,638,470 0.9717 8,890,059 7 23 .002858426
F1 8,647,100 0.9201 9,398,000 6 11 .010855482
F1 9,395,286 0.9426 9,967,416 4 8 .000410851
F1 7,351,550 0.9326 7,882,854 2 3 .002455201
Random Totals: 546,915,689   586,927,344 150 2,083  
Catg J Exception Values: 918,300   737,417      
Catg D1 Exception Values: 4,767,450   3,550,532      
Total Test Values (4): 552,601,439   591,215,293      

Margin of Error

Margin of Error Percent: 6.7935442
Margin of Error Value: 40,164,472

Confidence Interval Values (5)

State Lower Limit: 551,050,821 (State Test Value minus Margin of Error Percent)
Local Test Value: 552,601,439 (Within Confidence Interval)
State Upper Limit: 631,379,765 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 580,146,182 (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