taxes Property Tax Assistance

2019 Confidence Interval Detail

Montgomery County
093-905/Richards ISD

Category Summary

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

Stratum
Variance
A 4,126,950 0.9264 4,454,825 10 52 0.019071679
A 4,104,230 0.9035 4,542,590 6 30 0.012117576
A 5,515,330 0.9072 6,079,508 8 25 0.013936813
A 3,855,140 0.9974 3,865,189 4 6 0.025599483
E 17,520,940 0.9693 18,075,869 17 83 0.036399113
Random Totals: 35,122,590 37,017,981 45 196
CATG D1 EXCEPTION VALUES: 2,963,145 2,887,263
Total Test Values(1) 38,085,735 39,905,244

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,995,262

Confidence Interval Values(5)

Local Test Value: 38,085,735 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 37,909,982 (State Test Value minus Margin of Error Percent)
State Upper Limit: 41,900,506 (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