2009 Confidence Interval Detail
019/Bowie
019-913/Hubbard ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,344,052 | 0.9722 | 1,382,485 | 6 | 40 | .008659670 |
| A | 1,365,208 | 0.9310 | 1,466,389 | 5 | 21 | .012493038 |
| A | 1,474,000 | 0.9639 | 1,529,204 | 5 | 16 | .018326617 |
| A | 1,992,974 | 0.9596 | 2,076,880 | 4 | 14 | .049868894 |
| D3 | 14,504,591 | 1.0285 | 14,102,665 | 20 | 462 | .039231827 |
| Random Totals: | 20,680,825 | 20,557,623 | 40 | 553 | ||
| Catg D1 Exception Values: | 1,147,055 | 879,410 | ||||
| Total Test Values (4): | 21,827,880 | 21,437,033 |
Margin of Error
| Margin of Error Percent: | 6.1663711 |
|---|---|
| Margin of Error Value: | 1,321,887 |
Confidence Interval Values (5)
| State Lower Limit: | 20,115,146 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 21,827,880 | (Within Confidence Interval) |
| State Upper Limit: | 22,758,920 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 18,133,261 | (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