2012 Confidence Interval Detail
019/Bowie
019-905/New Boston ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 39,355,578 | 1.0200 | 38,583,900 | 10 | 851 | .019008701 |
| A | 39,644,035 | 1.0139 | 39,100,538 | 12 | 506 | .006596762 |
| A | 39,223,613 | 0.9510 | 41,244,598 | 12 | 351 | .007522004 |
| A | 40,025,329 | 0.9602 | 41,684,367 | 10 | 220 | .004645512 |
| D3 | 56,381,556 | 0.9677 | 58,263,466 | 15 | 1,898 | .021166619 |
| F1 | 15,619,503 | 0.9096 | 17,171,837 | 11 | 99 | .017224204 |
| F1 | 16,586,598 | 0.9333 | 17,771,990 | 7 | 29 | .012032067 |
| F1 | 14,825,182 | 0.7903 | 18,758,930 | 5 | 11 | .044174458 |
| F1 | 15,253,681 | 0.9349 | 16,315,842 | 2 | 3 | .002214116 |
| L1 | 5,213,811 | 1.0853 | 4,804,027 | 9 | 100 | .060561951 |
| L1 | 4,757,314 | 1.0873 | 4,375,346 | 7 | 19 | .012759975 |
| L1 | 7,233,812 | 1.2639 | 5,723,405 | 3 | 8 | .081426260 |
| Random Totals: | 294,120,012 | 303,798,246 | 103 | 4,095 | ||
| Catg D1 Exception Values: | 5,880,502 | 5,130,202 | ||||
| Catg L1 Exception Values: | 23,641,129 | 23,476,263 | ||||
| Total Test Values (4): | 323,641,643 | 332,404,711 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 16,620,236 |
Confidence Interval Values (5)
| State Lower Limit: | 315,784,475 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 323,641,643 | (Within Confidence Interval) |
| State Upper Limit: | 349,024,947 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 359,044,795 | (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