taxes Property Tax Assistance

2017 Confidence Interval Detail

245/Willacy
245-901/Lasara ISD

Category Summary

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

Stratum
Variance
A 2,910,688 0.7906 3,681,619 15 125 .031801153
A 4,020,438 0.9162 4,388,166 16 105 .021063798
A 3,386,587 0.8425 4,019,688 16 54 .024744051
A 3,064,985 0.9939 3,083,796 17 26 .005435055
E 9,017,451 1.1013 8,188,006 21 164 .282198983
G1 614,983 0.9878 622,578 7 29 .001559423
Random Totals: 23,015,132   23,983,853 92 503  
Catg J Exception Values: 118,140   118,918      
Catg D1 Exception Values: 8,112,434   8,827,432      
Catg G1 Exception Values: 2,296,442   2,310,725      
Total Test Values (4): 33,542,148   35,240,928      

Margin of Error

Margin of Error Percent: 5.1961146
Margin of Error Value: 1,831,159

Confidence Interval Values (5)

State Lower Limit: 33,409,769 (State Test Value minus Margin of Error Percent)
Local Test Value: 33,542,148 (Within Confidence Interval)
State Upper Limit: 37,072,087 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 34,711,107 (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