taxes Property Tax Assistance

2020 Confidence Interval Detail

Nolan County
221-905/Trent ISD

Category Summary

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

Stratum
Variance
E 4,653,280 0.9744 4,775,534 19 69 0.036407302
G1 2,875,060 0.9964 2,885,448 20 47 0.000216171
Random Totals: 7,528,340 7,660,982 39 116
CATG D1 EXCEPTION VALUES: 2,592,585 2,333,354
CATG J EXCEPTION VALUES: 18,949,980 21,781,463
Total Test Values 29,070,905 31,775,799

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,588,790

Confidence Interval Values(5)

Local Test Value: 29,070,905 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 30,187,009 (State Test Value minus Margin of Error Percent)
State Upper Limit: 33,364,589 (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