taxes Property Tax Assistance

2018 Confidence Interval Detail

154/Madison
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 5,905,490 0.7006 8,429,189 13 141 0.166261496
A 6,409,060 0.9150 7,004,437 11 66 0.072886219
A 4,042,050 1.1472 3,523,405 10 22 0.026428065
A 11,067,420 1.2145 9,112,738 10 43 0.035863579
E 59,361,240 0.9258 64,118,859 17 641 0.047943820
G1 19,166,870 1.0121 18,937,724 15 48 0.000275728
G1 19,654,770 1.0011 19,633,174 11 23 0.000561129
G1 19,598,209 1.0053 19,494,886 9 15 0.000409102
G1 17,825,231 0.9972 17,875,282 5 6 0.000007845
Random Totals: 163,030,340 168,129,694 101 1,005
CATG D1 EXCEPTION VALUES: 3,026,591 3,162,812
CATG J EXCEPTION VALUES: 10,719,280 11,468,454
Total Test Values(2) 176,776,211 182,760,960

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 9,138,048

Confidence Interval Values(5)

Local Test Value: 176,776,211 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 173,622,912 (State Test Value minus Margin of Error Percent)
State Upper Limit: 191,899,008 (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