taxes Property Tax Assistance

2019 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 67,458,468 0.8234 81,926,728 15 846 0.060909944
A 95,510,404 0.9341 102,248,586 68 654 0.005099817
A 85,494,122 0.9781 87,408,365 31 379 0.073447750
A 90,584,871 1.1308 80,106,890 15 240 0.082701863
E 258,282,679 1.0428 247,681,894 27 1279 0.022923162
F1 43,794,032 0.9323 46,974,184 17 121 0.086940914
F1 48,306,739 0.9340 51,720,277 14 41 0.111217685
F1 53,499,320 0.8941 59,835,947 7 16 0.012399265
F1 50,103,070 0.9491 52,787,484 1 2 0.000000000
L1 56,808,780 0.9334 60,862,203 16 103 0.017244135
L1 70,094,640 1.0714 65,423,409 12 22 0.075475723
L1 102,888,930 0.9912 103,799,088 2 3 0.000031353
Random Totals: 1,022,826,055 1,040,775,055 225 3,706
CATG D1 EXCEPTION VALUES: 12,218,927 10,021,055
CATG L1 EXCEPTION VALUES: 65,557,070 67,644,167
Total Test Values(2) 1,100,602,052 1,118,440,277

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 55,922,014

Confidence Interval Values(5)

Local Test Value: 1,100,602,052 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 1,062,518,263 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,174,362,291 (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