2009 Confidence Interval Detail
019/Bowie
019-910/Malta ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,777,973 | 0.9211 | 1,930,271 | 6 | 48 | .027776668 |
| A | 1,121,210 | 0.9053 | 1,238,496 | 5 | 15 | .001797916 |
| A | 2,114,506 | 0.9462 | 2,234,735 | 6 | 20 | .002593377 |
| A | 2,136,339 | 0.9803 | 2,179,271 | 4 | 15 | .025384876 |
| D3 | 12,031,544 | 1.0227 | 11,764,490 | 22 | 488 | .047878630 |
| Random Totals: | 19,181,572 | 19,347,263 | 43 | 586 | ||
| Catg D1 Exception Values: | 1,066,506 | 860,320 | ||||
| Total Test Values (4): | 20,248,078 | 20,207,583 |
Margin of Error
| Margin of Error Percent: | 5.7138451 |
|---|---|
| Margin of Error Value: | 1,154,630 |
Confidence Interval Values (5)
| State Lower Limit: | 19,052,953 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 20,248,078 | (Within Confidence Interval) |
| State Upper Limit: | 21,362,213 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 16,840,126 | (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