taxes Property Tax Assistance

2020 Confidence Interval Detail

Nacogdoches County
174-909/Martinsville ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 4,646,830 0.8650 5,372,058 10 77 0.067597130
A 4,661,190 0.9663 4,823,750 10 45 0.034673357
A 4,468,450 1.0709 4,172,612 10 31 0.012608223
A 5,200,890 1.0539 4,934,899 9 21 0.026108711
E 32,369,610 0.9313 34,757,447 22 321 0.062088590
G1 1,027,460 1.0785 952,675 8 40 0.054957505
G1 1,160,010 1.0050 1,154,239 5 9 0.000069879
Random Totals: 53,534,440 56,167,680 74 544
CATG D1 EXCEPTION VALUES: 5,977,273 5,750,980
CATG G1 EXCEPTION VALUES: 5,163,009 5,201,780
CATG J EXCEPTION VALUES: 557,920 566,647
Total Test Values 65,232,642 67,687,087

Margin of Error

Margin of Error Percent: 5.4893004
Margin of Error Value: 3,715,548

Confidence Interval Values(5)

Local Test Value: 65,232,642 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 63,971,539 (State Test Value minus Margin of Error Percent)
State Upper Limit: 71,402,635 (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