2006 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 | 2,855,797 | 0.9596 | 2,976,029 | 13 | 135 | .049692599 |
| A | 2,883,645 | 0.9540 | 3,022,689 | 12 | 76 | .031620323 |
| A | 2,824,349 | 0.9846 | 2,868,524 | 11 | 51 | .026137347 |
| A | 2,825,045 | 1.0204 | 2,768,566 | 11 | 34 | .010009553 |
| D3 | 9,932,200 | 0.8252 | 12,036,112 | 21 | 1,150 | .108589871 |
| Random Totals: | 21,321,036 | 23,671,920 | 68 | 1,446 | ||
| Catg J Exception Values: | 3,471,542 | 4,001,122 | ||||
| Catg D1 Exception Values: | 6,431,481 | 6,849,731 | ||||
| Total Test Values (4): | 31,224,059 | 34,522,773 |
Margin of Error
| Margin of Error Percent: | 5.1888792 |
|---|---|
| Margin of Error Value: | 1,791,345 |
Confidence Interval Values (5)
| Local Test Value: | 31,224,059 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 32,731,428 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 36,314,118 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 29,416,608 | (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