taxes Property Tax Assistance

2021 Confidence Interval Detail

Van Zandt County
234-905/Martins Mill ISD

Category Summary

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

Stratum
Variance
A 9,392,195 0.9581 9,802,938 14 129 0.051751345
A 7,872,795 1.0541 7,468,736 11 52 0.077068495
A 11,660,250 0.9780 11,922,546 10 55 0.041599509
A 13,578,080 1.1018 12,323,543 12 40 0.033617545
E 124,831,647 0.9900 126,092,573 29 845 0.029414661
Random Totals: 167,334,967 167,610,336 76 1,121
CATG D1 EXCEPTION VALUES: 6,030,781 5,343,946
Total Test Values 173,365,748 172,954,282

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 8,647,714

Confidence Interval Values(5)

Local Test Value: 173,365,748 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 164,306,568 (State Test Value minus Margin of Error Percent)
State Upper Limit: 181,601,996 (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