taxes Property Tax Assistance

2019 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 1,155,103,199 0.9828 1,175,318,680 101 6774 0.009035117
A 1,334,259,701 0.9838 1,356,230,637 98 4676 0.006094609
A 1,336,307,280 0.9670 1,381,910,321 99 3195 0.012270484
A 1,415,907,962 0.9795 1,445,541,564 88 2099 0.028215764
C1 52,136,820 0.7843 66,475,609 13 2080 0.077433570
C1 72,127,830 0.7836 92,046,746 22 1287 0.247769096
C1 78,082,590 0.8360 93,400,227 30 779 0.054671825
C1 67,782,429 0.9076 74,683,152 11 280 0.049185844
E 687,221,439 0.9491 724,076,956 32 1759 0.043982769
F1 157,144,524 0.7737 203,107,825 11 482 0.091259490
F1 162,565,840 0.9729 167,094,090 10 179 0.033449425
F1 156,207,820 0.9313 167,730,935 9 68 0.012695776
F1 185,152,760 1.0533 175,783,499 6 21 0.017182807
Random Totals: 6,860,000,194 7,123,400,241 530 23,679
CATG D1 EXCEPTION VALUES: 17,062,610 16,887,683
Total Test Values(1) 6,877,062,804 7,140,287,924

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 357,014,396

Confidence Interval Values(5)

Local Test Value: 6,877,062,804 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 6,783,273,528 (State Test Value minus Margin of Error Percent)
State Upper Limit: 7,497,302,320 (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