taxes Property Tax Assistance

2021 Confidence Interval Detail

Jefferson County
123-908/Port Neches-Groves ISD

Category Summary

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

Stratum
Variance
A 243,338,708 1.0102 240,881,715 51 2,460 0.046170125
A 375,750,920 0.9651 389,338,846 98 2,646 0.026241761
A 450,437,778 0.9751 461,940,086 83 2,277 0.013161020
A 573,304,150 1.0036 571,247,658 90 1,820 0.010049385
F1 23,454,832 0.9027 25,982,976 15 201 0.068110556
F1 32,760,582 0.7621 42,987,248 14 108 0.079320326
F1 32,873,255 0.8978 36,615,343 12 40 0.028109016
F1 47,740,229 0.8640 55,254,895 5 12 0.067352857
Random Totals: 1,779,660,454 1,824,248,767 368 9,564
CATG D1 EXCEPTION VALUES: 12,570 8,591
Total Test Values 1,779,673,024 1,824,257,358

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 91,212,868

Confidence Interval Values(5)

Local Test Value: 1,779,673,024 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 1,733,044,490 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,915,470,226 (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