taxes Property Tax Assistance

2016 Confidence Interval Detail

194/Red River
194-905/Detroit ISD

Category Summary

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

Stratum
Variance
A 4,993,748 0.7956 6,276,707 17 173 .038814770
A 4,883,297 0.9155 5,334,022 16 90 .027472946
A 4,600,619 0.8625 5,334,051 15 60 .031149528
A 4,394,770 1.1999 3,662,614 15 31 .289231672
D2 3,777,956 1.0420 3,625,678 21 260 .034577348
E 35,361,205 1.0162 34,797,486 19 589 .031861987
Random Totals: 58,011,595   59,030,558 103 1,203  
Catg D1 Exception Values: 12,657,574   12,401,634      
Total Test Values (4): 70,669,169   71,432,192      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 3,571,609

Confidence Interval Values (5)

State Lower Limit: 67,860,583 (State Test Value minus Margin of Error Percent)
Local Test Value: 70,669,169 (Within Confidence Interval)
State Upper Limit: 75,003,801 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 62,002,941 (See ISD Summary Worksheet)

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, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories