2012 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 | 1,693,314 | 0.8776 | 1,929,483 | 9 | 41 | .017901416 |
| A | 1,509,363 | 0.8946 | 1,687,193 | 7 | 20 | .004052205 |
| A | 1,785,552 | 1.0010 | 1,783,768 | 6 | 17 | .003295566 |
| A | 1,926,758 | 0.9618 | 2,003,283 | 5 | 11 | .006778880 |
| D3 | 14,463,508 | 0.9565 | 15,121,284 | 11 | 462 | .015628834 |
| Random Totals: | 21,378,495 | 22,525,011 | 38 | 551 | ||
| Catg D1 Exception Values: | 1,164,010 | 977,676 | ||||
| Total Test Values (4): | 22,542,505 | 23,502,687 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,175,134 |
Confidence Interval Values (5)
| State Lower Limit: | 22,327,553 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 22,542,505 | (Within Confidence Interval) |
| State Upper Limit: | 24,677,821 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 18,706,368 | (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