2008 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 | 2,332,260 | 0.9048 | 2,577,653 | 13 | 112 | .032789280 |
| A | 3,090,760 | 1.0109 | 3,057,434 | 14 | 78 | .015962535 |
| A | 2,673,270 | 1.0027 | 2,666,072 | 12 | 48 | .009211696 |
| A | 6,017,110 | 1.0344 | 5,817,005 | 10 | 64 | .005056166 |
| D3 | 14,662,860 | 1.0654 | 13,762,775 | 20 | 1,274 | .040093506 |
| Random Totals: | 28,776,260 | 27,880,939 | 69 | 1,576 | ||
| Catg J Exception Values: | 3,808,940 | 3,911,985 | ||||
| Catg D1 Exception Values: | 6,378,631 | 6,407,994 | ||||
| Total Test Values (4): | 38,963,831 | 38,200,918 |
Margin of Error
| Margin of Error Percent: | 5.0000003 |
|---|---|
| Margin of Error Value: | 1,910,046 |
Confidence Interval Values (5)
| State Lower Limit: | 36,290,872 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 38,963,831 | (Within Confidence Interval) |
| State Upper Limit: | 40,110,964 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 40,328,280 | (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