taxes Property Tax Assistance

2019 Confidence Interval Detail

Waller County
237-902/Hempstead ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 59,003,051 0.8969 65,785,540 15 897 0.044854057
A 58,291,480 0.9804 59,456,834 17 472 0.028026305
A 60,448,456 1.0559 57,248,277 15 319 0.030032626
A 77,056,542 1.2048 63,957,953 15 226 0.059751176
E 263,657,742 1.0107 260,866,471 27 1216 0.033331004
F1 17,675,604 0.7823 22,594,406 17 129 0.053480675
F1 16,321,459 0.8958 18,219,981 15 45 0.071519460
F1 26,285,419 1.0043 26,172,876 13 33 0.018041802
F1 21,302,090 0.9630 22,119,446 7 8 0.006813842
L1 9,136,570 0.8863 10,308,665 10 121 0.046420327
L1 6,546,300 0.9888 6,620,449 7 12 0.033299476
L1 9,647,170 0.9832 9,812,012 3 5 0.000287218
Random Totals: 625,371,883 623,162,910 161 3,483
CATG D1 EXCEPTION VALUES: 10,229,910 9,522,444
CATG L1 EXCEPTION VALUES: 9,304,800 9,250,327
Total Test Values(2) 644,906,593 641,935,681

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 32,096,784

Confidence Interval Values(5)

Local Test Value: 644,906,593 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 609,838,897 (State Test Value minus Margin of Error Percent)
State Upper Limit: 674,032,465 (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