2009 Confidence Interval Detail
019/Bowie
019-901/DeKalb ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 15,616,325 | 0.9977 | 15,652,325 | 7 | 433 | .023896922 |
| A | 16,340,673 | 1.0612 | 15,398,297 | 7 | 244 | .023986762 |
| A | 17,365,861 | 1.0171 | 17,073,897 | 7 | 183 | .004400951 |
| A | 20,837,403 | 0.9024 | 23,091,094 | 7 | 135 | .013086660 |
| D3 | 78,555,885 | 1.0175 | 77,204,801 | 24 | 3,604 | .080838702 |
| F1 | 2,800,519 | 0.8885 | 3,151,963 | 6 | 41 | .064516350 |
| F1 | 3,620,929 | 0.7457 | 4,855,745 | 5 | 21 | .017743267 |
| F1 | 2,969,451 | 0.9094 | 3,265,286 | 4 | 8 | .007938251 |
| Random Totals: | 158,107,046 | 159,693,408 | 67 | 4,669 | ||
| Catg D1 Exception Values: | 17,633,833 | 14,963,348 | ||||
| Catg F1 Exception Values: | 2,877,309 | 3,449,752 | ||||
| Total Test Values (4): | 178,618,188 | 178,106,508 |
Margin of Error
| Margin of Error Percent: | 5.3670212 |
|---|---|
| Margin of Error Value: | 9,559,014 |
Confidence Interval Values (5)
| State Lower Limit: | 168,547,494 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 178,618,188 | (Within Confidence Interval) |
| State Upper Limit: | 187,665,522 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 161,552,433 | (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