taxes Property Tax Assistance

2020 Confidence Interval Detail

Waller County
237-905/Royal ISD

Category Summary

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

Stratum
Variance
A 77,917,840 0.9805 79,467,455 13 827 0.019008163
A 115,884,986 0.9623 120,425,009 68 720 0.008170080
A 105,033,170 1.0370 101,285,603 31 458 0.004749659
A 123,229,885 1.1227 109,762,078 17 313 0.019598683
E 297,088,756 1.0434 284,731,413 22 1,271 0.126249763
F1 73,056,668 0.6410 113,972,961 10 151 0.108666688
F1 60,153,780 0.9057 66,416,893 11 32 0.174835227
F1 31,626,360 0.8728 36,235,518 1 3 0.000000000
F1 101,588,870 0.9297 109,267,310 2 3 0.000335531
L1 60,040,210 0.8194 73,273,383 10 77 0.050812887
L1 96,777,440 0.9706 99,708,881 7 25 0.034949071
L1 71,272,710 0.9203 77,445,772 4 5 0.024384625
Random Totals: 1,213,670,675 1,271,992,276 196 3,885
CATG D1 EXCEPTION VALUES: 10,829,084 9,354,409
CATG L1 EXCEPTION VALUES: 111,462,850 108,309,130
Total Test Values 1,335,962,609 1,389,655,815

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 69,482,791

Confidence Interval Values(5)

Local Test Value: 1,335,962,609 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 1,320,173,024 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,459,138,606 (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