taxes Property Tax Assistance

2024 Confidence Interval Detail

Montgomery County
170-904/Willis ISD

Category Summary

(1)
Category 		(1)
Stratum
Number 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 2 1,498,357,287 0.9611 1,559,002,484 93 6,947 0.032250592
A 3 1,517,171,713 1.0058 1,508,422,860 95 4,721 0.018473613
A 4 1,622,386,163 1.0013 1,620,279,799 89 3,346 0.015732836
A 5 1,628,956,382 0.9982 1,631,893,791 50 1,748 0.022926364
C1 2 96,815,975 0.6673 145,086,131 13 2,642 0.051043811
C1 3 40,154,937 0.8693 46,192,266 16 460 0.039634468
C1 4 217,784,054 1.0075 216,162,833 19 1,297 0.017990307
C1 5 109,234,465 1.5507 70,442,036 10 134 0.358883568
E 0 339,893,009 0.7777 437,049,002 17 882 0.333710335
F1 2 170,959,388 0.9319 183,452,503 10 241 0.052325787
F1 3 164,495,032 1.0569 155,639,164 10 93 0.035363191
F1 4 206,089,653 1.1295 182,460,959 10 54 0.033353740
F1 5 156,604,438 1.2432 125,968,821 6 17 0.050468121
Random Totals: 7,768,902,496 7,882,052,649 438 22,582
CATG D1 EXCEPTION VALUES: 4,255,644 4,593,048
Total Test Values 7,773,158,140 7,886,645,697

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 394,332,285

Confidence Interval Values(5)

Local Test Value: 7,773,158,140 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 7,492,313,412 (State Test Value minus Margin of Error Percent)
State Upper Limit: 8,280,977,982 (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