taxes Property Tax Assistance

2020 Confidence Interval Detail

Montague County
169-908/Montague ISD

Category Summary

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

Stratum
Variance
A 2,861,140 0.9311 3,072,860 16 52 0.060709236
A 2,569,260 0.9419 2,727,742 13 29 0.017272468
A 3,094,440 1.0912 2,835,814 10 23 0.041215699
A 2,622,910 0.9490 2,763,867 8 12 0.062085354
E 21,829,170 0.9449 23,102,095 21 161 0.142336125
G1 2,341,560 0.9998 2,342,028 12 43 0.000534942
Random Totals: 35,318,480 36,844,406 80 320
CATG D1 EXCEPTION VALUES: 1,022,590 859,064
CATG J EXCEPTION VALUES: 1,049,032 1,300,697
Total Test Values 37,390,102 39,004,167

Margin of Error

Margin of Error Percent: 9.1473669
Margin of Error Value: 3,567,854

Confidence Interval Values(5)

Local Test Value: 37,390,102 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 35,436,313 (State Test Value minus Margin of Error Percent)
State Upper Limit: 42,572,021 (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