2007 Confidence Interval Detail
140/Lamb
140-901/Amherst ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,612,934 | 0.9110 | 1,770,509 | 9 | 142 | .111449374 |
| A | 1,604,818 | 0.8821 | 1,819,315 | 10 | 63 | .058318895 |
| A | 1,587,211 | 0.7781 | 2,039,855 | 8 | 33 | .050473240 |
| A | 1,593,951 | 0.9947 | 1,602,444 | 6 | 14 | .026371028 |
| D3 | 2,938,231 | 0.9087 | 3,233,444 | 10 | 625 | .017748941 |
| Random Totals: | 9,337,145 | 10,465,567 | 43 | 877 | ||
| Catg J Exception Values: | 3,056,410 | 3,216,349 | ||||
| Catg D1 Exception Values: | 11,216,752 | 10,163,665 | ||||
| Total Test Values (4): | 23,610,307 | 23,845,581 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,192,279 |
Confidence Interval Values (5)
| State Lower Limit: | 22,653,302 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 23,610,307 | (Within Confidence Interval) |
| State Upper Limit: | 25,037,860 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 36,130,237 | (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