2006 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 | 1,606,945 | 0.8482 | 1,894,535 | 15 | 143 | .034281255 |
| A | 1,590,655 | 0.8644 | 1,840,184 | 15 | 63 | .070568115 |
| A | 1,586,316 | 0.8685 | 1,826,501 | 15 | 33 | .012152490 |
| A | 1,592,282 | 0.9527 | 1,671,336 | 9 | 14 | .006187505 |
| D3 | 2,768,020 | 0.9796 | 2,825,664 | 20 | 621 | .001562992 |
| L1 | 1,787,810 | 0.9722 | 1,838,932 | 10 | 59 | .000781658 |
| Random Totals: | 10,932,028 | 11,897,152 | 84 | 933 | ||
| Catg J Exception Values: | 2,867,420 | 2,815,114 | ||||
| Catg D1 Exception Values: | 8,097,420 | 9,927,874 | ||||
| Total Test Values (4): | 21,896,868 | 24,640,140 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,232,007 |
Confidence Interval Values (5)
| Local Test Value: | 21,896,868 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 23,408,133 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 25,872,147 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 33,310,299 | (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