taxes Property Tax Assistance

2018 Confidence Interval Detail

236/Walker
236-902/Huntsville ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 331,667,858 0.8808 376,552,972 55 3947 0.043073259
A 374,051,241 0.9656 387,377,010 84 2446 0.014091557
A 394,661,412 0.9785 403,333,073 81 1873 0.009639184
A 389,493,648 0.9932 392,160,338 43 1140 0.015628160
B 79,340,131 0.9479 83,700,951 17 257 0.005588362
B 106,627,030 0.9183 116,113,503 6 21 0.024741135
E 347,445,670 0.7935 437,864,739 29 2959 0.086770671
F1 93,847,975 0.9168 102,364,720 14 385 0.021440157
F1 97,688,812 0.9603 101,727,389 12 136 0.015431912
F1 100,690,866 1.0144 99,261,500 10 53 0.013409158
F1 114,198,336 1.0051 113,618,880 7 19 0.006839802
Random Totals: 2,429,712,979 2,614,075,075 358 13,236
CATG B EXCEPTION VALUES: 143,946,400 154,054,177
CATG D1 EXCEPTION VALUES: 38,829,147 36,748,492
Total Test Values(2) 2,612,488,526 2,804,877,744

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 140,243,887

Confidence Interval Values(5)

Local Test Value: 2,612,488,526 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 2,664,633,857 (State Test Value minus Margin of Error Percent)
State Upper Limit: 2,945,121,631 (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