2010 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 | 4,347,750 | 0.9679 | 4,491,941 | 9 | 168 | .013718972 |
| A | 5,149,640 | 0.9792 | 5,259,028 | 10 | 104 | .003974916 |
| A | 5,184,820 | 0.9824 | 5,277,708 | 9 | 70 | .014239224 |
| A | 4,750,550 | 0.9984 | 4,758,163 | 8 | 34 | .009438198 |
| D3 | 33,502,340 | 1.0459 | 32,032,068 | 20 | 2,386 | .036895557 |
| Random Totals: | 52,935,100 | 51,818,908 | 56 | 2,762 | ||
| Catg J Exception Values: | 1,166,080 | 1,117,093 | ||||
| Catg D1 Exception Values: | 12,401,040 | 12,180,197 | ||||
| Total Test Values (4): | 66,502,220 | 65,116,198 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 3,255,810 |
Confidence Interval Values (5)
| State Lower Limit: | 61,860,388 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 66,502,220 | (Within Confidence Interval) |
| State Upper Limit: | 68,372,008 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 57,809,747 | (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