taxes Property Tax Assistance

2017 Confidence Interval Detail

251/Yoakum
251-902/Plains ISD

Category Summary

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

Stratum
Variance
A 8,306,234 0.8765 9,476,593 10 213 .045940741
A 8,160,056 0.8080 10,099,079 10 111 .032684936
A 8,283,812 0.8845 9,365,531 9 69 .007326992
A 7,996,890 0.9420 8,489,268 8 37 .005271333
G1 80,420,215 1.0115 79,505,897 15 70 .008373711
G1 83,598,314 1.0077 82,959,526 8 15 .001418739
G1 97,591,667 0.9758 100,011,956 5 7 .000559909
Random Totals: 294,357,188   299,907,850 65 522  
Catg J Exception Values: 18,322,740   20,320,177      
Catg D1 Exception Values: 46,101,884   49,102,390      
Catg G1 Exception Values: 198,852,461   197,240,845      
Total Test Values (4): 557,634,273   566,571,262      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 28,328,563

Confidence Interval Values (5)

State Lower Limit: 538,242,699 (State Test Value minus Margin of Error Percent)
Local Test Value: 557,634,273 (Within Confidence Interval)
State Upper Limit: 594,899,825 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 667,903,012 (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