2009 Confidence Interval Detail
018/Bosque
018-905/Walnut Springs ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,609,730 | 0.9742 | 3,705,327 | 7 | 116 | .005132304 |
| A | 3,501,740 | 0.9915 | 3,531,760 | 6 | 62 | .002895445 |
| A | 3,742,890 | 0.9914 | 3,775,358 | 6 | 40 | .012536097 |
| A | 3,582,970 | 0.9830 | 3,644,934 | 5 | 16 | .003710865 |
| D3 | 38,325,790 | 1.0028 | 38,218,777 | 25 | 726 | .072581478 |
| Random Totals: | 52,763,120 | 52,876,156 | 49 | 960 | ||
| Catg J Exception Values: | 3,315,998 | 3,257,022 | ||||
| Catg D1 Exception Values: | 4,756,040 | 4,090,339 | ||||
| Total Test Values (4): | 60,835,158 | 60,223,517 |
Margin of Error
| Margin of Error Percent: | 6.8094512 |
|---|---|
| Margin of Error Value: | 4,100,891 |
Confidence Interval Values (5)
| State Lower Limit: | 56,122,626 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 60,835,158 | (Within Confidence Interval) |
| State Upper Limit: | 64,324,408 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 72,037,740 | (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