taxes Property Tax Assistance

2021 Confidence Interval Detail

Montgomery County
170-906/Magnolia ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 1,503,188,536 0.9272 1,621,212,830 100 7,826 0.013776807
A 1,467,007,205 0.9330 1,572,354,989 100 4,723 0.015541239
A 1,606,829,470 0.9241 1,738,804,751 100 3,577 0.021171329
A 1,707,815,367 0.9732 1,754,845,219 100 2,345 0.010811675
C1 61,558,380 0.6465 95,217,912 12 1,899 0.105237211
C1 65,412,610 0.6783 96,436,105 31 989 0.036544013
C1 60,314,240 0.7101 84,937,671 30 526 0.074968369
C1 72,884,907 0.9099 80,102,107 13 238 0.133280226
E 779,709,210 0.8422 925,800,534 56 1,825 0.055503592
F1 199,862,630 0.8382 238,442,651 10 553 0.119193859
F1 261,365,280 1.0503 248,848,215 11 255 0.033228078
F1 235,750,610 0.9512 247,845,469 9 85 0.024525916
F1 191,847,960 1.0248 187,205,269 7 18 0.018260243
Random Totals: 8,213,546,405 8,892,053,722 579 24,859
CATG D1 EXCEPTION VALUES: 15,934,769 15,726,345
Total Test Values 8,229,481,174 8,907,780,067

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 445,389,003

Confidence Interval Values(5)

Local Test Value: 8,229,481,174 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 8,462,391,064 (State Test Value minus Margin of Error Percent)
State Upper Limit: 9,353,169,070 (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