2009 Confidence Interval Detail
019/Bowie
019-906/Redwater ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 30,257,296 | 1.0079 | 30,020,137 | 7 | 443 | .014575797 |
| A | 35,431,485 | 0.9799 | 36,158,266 | 7 | 286 | .010549918 |
| A | 35,906,295 | 0.9862 | 36,408,736 | 8 | 200 | .001857087 |
| A | 39,003,057 | 0.9864 | 39,540,812 | 7 | 143 | .002252322 |
| D3 | 44,001,095 | 0.9303 | 47,297,748 | 23 | 1,228 | .172617488 |
| Random Totals: | 184,599,228 | 189,425,699 | 52 | 2,300 | ||
| Catg D1 Exception Values: | 2,529,524 | 2,082,351 | ||||
| Total Test Values (4): | 187,128,752 | 191,508,050 |
Margin of Error
| Margin of Error Percent: | 5.0000003 |
|---|---|
| Margin of Error Value: | 9,575,403 |
Confidence Interval Values (5)
| State Lower Limit: | 181,932,647 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 187,128,752 | (Within Confidence Interval) |
| State Upper Limit: | 201,083,453 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 187,909,967 | (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