2007 Confidence Interval Detail
139/Lamar
139-908/Roxton ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,968,318 | 0.9685 | 3,064,861 | 15 | 136 | .038464981 |
| A | 2,953,127 | 0.9781 | 3,019,249 | 14 | 75 | .046907214 |
| A | 2,976,446 | 0.9605 | 3,098,851 | 14 | 51 | .033861784 |
| A | 2,907,565 | 0.9802 | 2,966,298 | 11 | 33 | .006475541 |
| D3 | 9,862,950 | 0.9253 | 10,659,192 | 20 | 1,257 | .031291017 |
| Random Totals: | 21,668,406 | 22,808,451 | 74 | 1,552 | ||
| Catg J Exception Values: | 3,693,593 | 3,704,848 | ||||
| Catg D1 Exception Values: | 6,403,737 | 6,667,738 | ||||
| Total Test Values (4): | 31,765,736 | 33,181,037 |
Margin of Error
| Margin of Error Percent: | 5.0000005 |
|---|---|
| Margin of Error Value: | 1,659,052 |
Confidence Interval Values (5)
| State Lower Limit: | 31,521,985 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 31,765,736 | (Within Confidence Interval) |
| State Upper Limit: | 34,840,089 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 30,465,152 | (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