2006 Confidence Interval Detail
229/Tyler
229-905/Spurger ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 4,746,921 | 0.9292 | 5,108,611 | 7 | 231 | .018139626 |
| A | 4,696,831 | 1.0468 | 4,486,847 | 8 | 124 | .053164828 |
| A | 4,739,148 | 0.8944 | 5,298,690 | 6 | 80 | .010797454 |
| A | 4,695,087 | 0.9624 | 4,878,519 | 6 | 48 | .001006064 |
| D3 | 12,874,535 | 0.8941 | 14,399,435 | 10 | 1,114 | .020928486 |
| Random Totals: | 31,752,522 | 34,172,102 | 37 | 1,597 | ||
| Catg J Exception Values: | 2,363,832 | 3,329,080 | ||||
| Catg D1 Exception Values: | 10,395,210 | 13,582,642 | ||||
| Total Test Values (4): | 44,511,564 | 51,083,824 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,554,191 |
Confidence Interval Values (5)
| Local Test Value: | 44,511,564 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 48,529,633 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 53,638,015 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 42,368,688 | (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