2011 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 | 1,573,870 | 0.8834 | 1,781,605 | 11 | 32 | .014695318 |
| A | 1,487,360 | 0.8293 | 1,793,513 | 10 | 18 | .043283045 |
| A | 1,764,730 | 0.9507 | 1,856,243 | 6 | 16 | .006715430 |
| A | 1,134,530 | 0.8583 | 1,321,834 | 4 | 5 | .052024110 |
| D3 | 4,489,203 | 0.8951 | 5,015,309 | 15 | 240 | .194244603 |
| Random Totals: | 10,449,693 | 11,768,504 | 46 | 311 | ||
| Catg D1 Exception Values: | 883,351 | 808,307 | ||||
| Catg G1 Exception Values: | 15,841,182 | 15,656,388 | ||||
| Total Test Values (4): | 27,174,226 | 28,233,199 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 1,411,660 |
Confidence Interval Values (5)
| State Lower Limit: | 26,821,539 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 27,174,226 | (Within Confidence Interval) |
| State Upper Limit: | 29,644,859 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 27,120,632 | (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