2006 Confidence Interval Detail
225/Titus
225-905/Winfield ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,063,346 | 0.8930 | 2,310,578 | 13 | 79 | .088163436 |
| A | 2,064,367 | 0.9957 | 2,073,282 | 14 | 44 | .018805112 |
| A | 2,062,095 | 0.9037 | 2,281,836 | 9 | 28 | .022654379 |
| A | 1,987,137 | 1.0033 | 1,980,601 | 7 | 14 | .014400578 |
| D3 | 7,188,982 | 0.8112 | 8,862,157 | 21 | 20,502 | .221458227 |
| Random Totals: | 15,365,927 | 17,508,454 | 64 | 20,667 | ||
| Catg J Exception Values: | 1,993,490 | 1,989,413 | ||||
| Catg D1 Exception Values: | 2,048,825 | 1,693,753 | ||||
| Total Test Values (4): | 19,408,242 | 21,191,620 |
Margin of Error
| Margin of Error Percent: | 8.8255877 |
|---|---|
| Margin of Error Value: | 1,870,285 |
Confidence Interval Values (5)
| State Lower Limit: | 19,321,335 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 19,408,242 | (Within Confidence Interval) |
| State Upper Limit: | 23,061,905 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 43,006,541 | (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