taxes Property Tax Assistance

2017 Confidence Interval Detail

072/Erath
072-904/Bluff Dale ISD

Category Summary

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

Stratum
Variance
A 9,465,580 0.8785 10,774,707 11 103 .100132500
A 11,228,610 0.9715 11,558,013 11 58 .022155161
A 8,504,240 0.9602 8,856,738 9 35 .040715116
A 17,613,530 0.8987 19,598,898 14 54 .009813373
C1 4,623,050 0.9889 4,674,942 18 341 .246567804
C1 5,435,860 1.0654 5,102,178 14 217 .036388825
C1 3,612,040 1.1297 3,197,344 14 136 .070281621
C1 4,493,650 1.0478 4,288,652 14 129 .066509726
E 37,359,000 0.9576 39,013,158 19 248 .024735425
L1 1,688,870 0.9449 1,787,353 9 44 .063534122
Random Totals: 104,024,430   108,851,983 133 1,365  
Catg J Exception Values: 3,467,860   3,597,711      
Catg D1 Exception Values: 4,237,030   2,890,629      
Catg L1 Exception Values: 7,227,000   7,227,000      
Total Test Values (4): 118,956,320   122,567,323      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,128,366

Confidence Interval Values (5)

State Lower Limit: 116,438,957 (State Test Value minus Margin of Error Percent)
Local Test Value: 118,956,320 (Within Confidence Interval)
State Upper Limit: 128,695,689 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 133,875,545 (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