taxes Property Tax Assistance

2017 Confidence Interval Detail

072/Erath
072-910/Morgan Mill ISD

Category Summary

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

Stratum
Variance
A 2,918,510 0.8883 3,285,500 8 47 .010158389
A 3,625,150 0.8471 4,279,483 9 31 .039256435
A 2,649,790 0.8130 3,259,274 6 12 .013201364
A 3,956,040 0.9281 4,262,515 8 13 .016219863
E 64,933,380 0.8403 77,274,045 21 373 .021633463
L1 1,052,670 1.2004 876,933 9 29 .021467181
Random Totals: 79,135,540   93,237,750 61 505  
Catg J Exception Values: 83,900   91,005      
Catg D1 Exception Values: 5,357,570   3,641,976      
Total Test Values (4): 84,577,010   96,970,731      

Margin of Error

Margin of Error Percent: 5.0100695
Margin of Error Value: 4,858,301

Confidence Interval Values (5)

Local Test Value: 84,577,010 (Outside Confidence Interval)
State Lower Limit: 92,112,430 (State Test Value minus Margin of Error Percent)
State Upper Limit: 101,829,032 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 93,738,770 (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