taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
072/Erath
072-902/Dublin ISD

Category Summary

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

Stratum
Variance
A 19,951,820 1.0808 18,460,233 9 553 .004273069
A 20,094,670 0.8805 22,821,885 9 320 .040063590
A 20,968,400 0.8609 24,356,371 12 221 .013624974
A 19,878,980 0.9588 20,733,187 9 129 .003875406
E 114,040,220 1.0283 110,901,702 13 1,064 .003785616
F1 5,622,870 0.9703 5,794,981 9 87 .010186866
F1 5,774,990 0.9765 5,913,968 8 33 .003003919
F1 5,225,380 0.9415 5,550,058 6 14 .006480590
F1 6,103,720 1.0339 5,903,588 4 7 .000109413
Random Totals: 217,661,050   220,435,973 79 2,428  
Catg J Exception Values: 1,828,310   1,418,662      
Catg D1 Exception Values: 17,621,990   12,603,104      
Total Test Values (4): 237,111,350   234,457,739      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 11,722,886

Confidence Interval Values (5)

State Lower Limit: 222,734,853 (State Test Value minus Margin of Error Percent)
Local Test Value: 237,111,350 (Within Confidence Interval)
State Upper Limit: 246,180,625 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 266,908,426 (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, D3, 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