taxes Property Tax Assistance

2021 Confidence Interval Detail

Harris County
237-904/Waller ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 266,379,254 0.9551 278,901,952 55 1,838 0.007653862
A 325,508,676 0.9752 333,786,583 80 1,494 0.013977217
A 384,598,697 0.9912 388,013,213 103 1,349 0.004627286
A 361,643,098 0.9707 372,559,079 39 768 0.007878209
C1 24,912,603 0.7302 34,117,506 11 400 0.026793561
C1 32,849,186 0.7844 41,878,106 10 183 0.028232392
C1 37,385,535 0.8322 44,923,738 9 52 0.058192365
C1 29,811,733 1.0619 28,073,955 6 13 0.023390245
F1 60,049,191 0.9622 62,408,222 10 93 0.020843742
F1 66,065,317 1.0147 65,108,226 8 38 0.030636425
F1 68,382,460 0.9147 74,759,440 7 22 0.049483279
F1 90,417,104 1.1781 76,748,242 3 7 0.023396010
Random Totals: 1,748,002,854 1,801,278,262 341 6,257
CATG D1 EXCEPTION VALUES: 5,190,457 4,551,149
Total Test Values 1,753,193,311 1,805,829,411

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 90,291,471

Confidence Interval Values(5)

Local Test Value: 1,753,193,311 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 1,715,537,940 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,896,120,882 (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