taxes Property Tax Assistance

2020 Confidence Interval Detail

Nacogdoches County
174-911/Douglass ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 20,414,550 1.0208 19,998,580 16 178 0.023903252
A 21,084,240 0.9851 21,403,147 17 92 0.017597528
A 23,352,700 0.9409 24,819,534 17 74 0.021875208
A 21,138,280 0.9886 21,382,035 17 36 0.028681511
E 41,806,260 0.8884 47,057,924 20 429 0.052586655
Random Totals: 127,796,030 134,661,220 87 809
CATG D1 EXCEPTION VALUES: 9,172,689 9,161,814
CATG J EXCEPTION VALUES: 3,616,910 4,085,250
Total Test Values 140,585,629 147,908,284

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,395,414

Confidence Interval Values(5)

Local Test Value: 140,585,629 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 140,512,870 (State Test Value minus Margin of Error Percent)
State Upper Limit: 155,303,698 (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