2009 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 | 4,715,880 | 1.0109 | 4,665,031 | 10 | 180 | .015848547 |
| A | 4,329,900 | 0.9721 | 4,454,171 | 7 | 88 | .008544953 |
| A | 4,603,780 | 1.0087 | 4,564,073 | 7 | 64 | .003369901 |
| A | 5,030,090 | 1.0168 | 4,946,981 | 7 | 38 | .016446954 |
| D3 | 32,686,750 | 1.0595 | 30,851,109 | 11 | 2,389 | .013582067 |
| Random Totals: | 51,366,400 | 49,481,365 | 42 | 2,759 | ||
| Catg D1 Exception Values: | 13,173,600 | 13,250,536 | ||||
| Total Test Values (4): | 64,540,000 | 62,731,901 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 3,136,595 |
Confidence Interval Values (5)
| State Lower Limit: | 59,595,306 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 64,540,000 | (Within Confidence Interval) |
| State Upper Limit: | 65,868,496 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 57,373,906 | (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