taxes Property Tax Assistance

2021 Confidence Interval Detail

Erath County
018-906/Iredell ISD

Category Summary

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

Stratum
Variance
A 6,133,240 0.9802 6,257,131 5 16 0.006958615
E 10,057,590 1.0029 10,028,507 16 55 0.035413278
Random Totals: 16,190,830 16,285,638 21 71
CATG D1 EXCEPTION VALUES: 1,426,940 1,029,131
CATG F1 EXCEPTION VALUES: 10,726,150 10,243,742
CATG J EXCEPTION VALUES: 400,430 420,540
Total Test Values 28,744,350 27,979,051

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,398,953

Confidence Interval Values(5)

Local Test Value: 28,744,350 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 26,580,098 (State Test Value minus Margin of Error Percent)
State Upper Limit: 29,378,004 (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