2008 Confidence Interval Detail
250/Wood
230-901/Big Sandy ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 6,532,960 | 0.8676 | 7,529,922 | 10 | 105 | .009613408 |
| D3 | 4,883,281 | 1.4611 | 3,342,195 | 10 | 229 | .233330008 |
| Random Totals: | 11,416,241 | 10,872,117 | 20 | 334 | ||
| Catg D1 Exception Values: | 965,111 | 743,752 | ||||
| Total Test Values (4): | 12,381,352 | 11,615,869 |
Margin of Error
| Margin of Error Percent: | 9.8787013 |
|---|---|
| Margin of Error Value: | 1,147,497 |
Confidence Interval Values (5)
| State Lower Limit: | 10,468,372 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 12,381,352 | (Within Confidence Interval) |
| State Upper Limit: | 12,763,366 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 28,533,187 | (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