taxes Property Tax Assistance

2020 Confidence Interval Detail

Madison County
154-903/North Zulch ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 7,620,250 0.6245 12,202,162 11 155 0.149288685
A 6,640,850 0.8039 8,260,791 10 53 0.050954892
A 7,183,880 0.9437 7,612,462 9 32 0.005216390
A 9,326,560 0.9725 9,590,293 9 31 0.003805478
E 66,553,260 0.8260 80,572,954 21 634 0.135197760
G1 30,986,009 0.9991 31,013,922 9 57 0.000031439
G1 31,289,593 0.9961 31,412,100 7 20 0.000019902
G1 30,498,950 0.9873 30,891,269 5 9 0.000075540
G1 27,430,730 1.0044 27,310,564 3 4 0.000021218
Random Totals: 217,530,082 238,866,517 84 995
CATG D1 EXCEPTION VALUES: 3,040,151 2,408,086
CATG J EXCEPTION VALUES: 13,787,210 15,990,058
Total Test Values 234,357,443 257,264,661

Margin of Error

Margin of Error Percent: 5.0508435
Margin of Error Value: 12,994,035

Confidence Interval Values(5)

Local Test Value: 234,357,443 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 244,270,626 (State Test Value minus Margin of Error Percent)
State Upper Limit: 270,258,696 (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