taxes Property Tax Assistance

2017 Confidence Interval Detail

245/Willacy
245-902/Lyford CISD

Category Summary

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

Stratum
Variance
A 15,158,875 0.8849 17,130,608 18 633 .037435983
A 17,424,422 0.8643 20,160,155 17 433 .023462585
A 16,333,465 0.8638 18,908,850 17 252 .021174651
A 16,624,603 0.9660 17,209,734 19 130 .031670924
Random Totals: 65,541,365   73,409,347 71 1,448  
Catg D1 Exception Values: 42,241,643   47,644,683      
Total Test Values (4): 107,783,008   121,054,030      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,052,701

Confidence Interval Values (5)

Local Test Value: 107,783,008 (Outside Confidence Interval)
State Lower Limit: 115,001,329 (State Test Value minus Margin of Error Percent)
State Upper Limit: 127,106,731 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 191,339,387 (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