2009 Confidence Interval Detail
107/Henderson
107-907/Trinidad ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,506,560 | 0.9845 | 2,546,023 | 15 | 109 | .009345703 |
| A | 2,894,440 | 1.0287 | 2,813,687 | 15 | 74 | .009856301 |
| A | 3,964,920 | 1.0914 | 3,632,875 | 16 | 70 | .039761683 |
| A | 5,091,650 | 1.0704 | 4,756,773 | 13 | 56 | .018171051 |
| D3 | 2,152,620 | 0.8254 | 2,607,972 | 11 | 160 | .081969296 |
| G1 | 3,582,419 | 1.0128 | 3,537,144 | 18 | 34 | .014792788 |
| Random Totals: | 20,192,609 | 19,894,474 | 88 | 503 | ||
| Catg J Exception Values: | 11,899,780 | 11,795,755 | ||||
| Catg D1 Exception Values: | 627,510 | 581,608 | ||||
| Total Test Values (4): | 32,719,899 | 32,271,837 |
Margin of Error
| Margin of Error Percent: | 5.0000005 |
|---|---|
| Margin of Error Value: | 1,613,592 |
Confidence Interval Values (5)
| State Lower Limit: | 30,658,245 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 32,719,899 | (Within Confidence Interval) |
| State Upper Limit: | 33,885,429 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 38,960,646 | (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