taxes Property Tax Assistance

2018 Confidence Interval Detail

073/Falls
073-904/Westphalia ISD

Category Summary

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

Stratum
Variance
A 592,900 0.7973 743,635 9 15 0.035726005
A 576,800 0.9739 592,258 7 9 0.025497453
A 543,230 0.9766 556,246 6 7 0.002723114
D2 1,773,560 1.0196 1,739,466 16 145 0.009154653
E 12,410,510 0.9755 12,722,204 15 160 0.016910806
Random Totals: 15,897,000 16,353,809 53 336
CATG A EXCEPTION VALUES: 532,660 536,241
CATG D1 EXCEPTION VALUES: 2,359,255 2,685,023
CATG J EXCEPTION VALUES: 708,360 664,886
Total Test Values(3) 19,497,275 20,239,959

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,011,998

Confidence Interval Values(5)

Local Test Value: 19,497,275 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 19,227,961 (State Test Value minus Margin of Error Percent)
State Upper Limit: 21,251,957 (State Test Value plus Margin of Error Percent)

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