taxes Property Tax Assistance

2018 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 4,904,094 0.8742 5,609,808 15 172 .045152960
A 4,899,413 0.8863 5,527,940 15 91 .073943139
A 4,956,063 0.9305 5,326,236 15 65 .048855252
A 5,423,239 1.0708 5,064,661 14 37 .025015076
E 38,934,384 0.9438 41,252,791 20 602 .072005004
Random Totals: 59,117,193   62,781,436 79 967  
Catg D1 Exception Values: 13,993,565   13,515,326      
Total Test Values (4): 73,110,758   76,296,762      

Margin of Error

Margin of Error Percent: 6.5124743
Margin of Error Value: 4,968,807

Confidence Interval Values (5)

State Lower Limit: 71,327,955 (State Test Value minus Margin of Error Percent)
Local Test Value: 73,110,758 (Within Confidence Interval)
State Upper Limit: 81,265,569 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 68,044,796 (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, 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
(6) Includes local value of unstudied property categories and sub-categories