taxes Property Tax Assistance

2019 Confidence Interval Detail

Harris County
101-903/Alief ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 1,084,311,655 0.9400 1,153,523,037 99 10195 0.012178722
A 1,804,913,485 0.9423 1,915,434,028 95 12667 0.011113019
A 2,311,500,747 0.9684 2,386,927,661 98 13132 0.009836075
A 1,861,267,227 0.9972 1,866,493,409 98 4795 0.009739222
B 469,547,923 0.8039 584,087,477 10 67 0.026561105
B 954,431,889 0.8846 1,078,941,769 8 69 0.034493389
B 728,142,222 0.8477 858,962,159 8 28 0.015759334
B 741,592,315 0.9853 752,656,364 7 17 0.011059607
C1 73,245,376 0.7258 100,916,748 10 198 0.134434776
C1 69,491,287 0.7892 88,052,822 8 51 0.086783659
C1 74,299,635 1.0382 71,565,821 6 17 0.128701674
C1 63,859,475 1.8364 34,774,273 3 4 0.042902230
F1 1,359,224,780 0.8688 1,564,485,244 13 1005 0.103040559
F1 1,308,335,881 0.7503 1,743,750,341 15 250 0.182484804
F1 1,323,410,730 0.7780 1,701,042,069 11 82 0.124628857
F1 1,303,599,677 0.9227 1,412,809,881 7 22 0.013923790
L1 1,291,081 0.9547 1,352,274 10 10 0.010701329
L1 6,559,975 0.9880 6,639,591 10 10 0.002131688
L1 32,560,724 0.9677 33,646,175 9 9 0.003270341
L1 102,705,133 1.0012 102,586,260 6 6 0.008010560
Random Totals: 15,674,291,217 17,458,647,403 531 42,634
CATG D1 EXCEPTION VALUES: 13,396 11,876
Total Test Values(1) 15,674,304,613 17,458,659,279

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 872,932,964

Confidence Interval Values(5)

Local Test Value: 15,674,304,613 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 16,585,726,315 (State Test Value minus Margin of Error Percent)
State Upper Limit: 18,331,592,243 (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