2007 Confidence Interval Detail
227/Travis
246-914/Coupland ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 706,388 | 1.0297 | 686,013 | 3 | 4 | .002516021 |
| Random Totals: | 706,388 | 686,013 | 3 | 4 | ||
| Catg J Exception Values: | 205,231 | 203,452 | ||||
| Catg D1 Exception Values: | 396,558 | 343,346 | ||||
| Catg D3 Exception Values: | 6,773,280 | 6,077,601 | ||||
| Total Test Values (4): | 8,081,457 | 7,310,412 |
Margin of Error
| Margin of Error Percent: | 5.0000055 |
|---|---|
| Margin of Error Value: | 365,521 |
Confidence Interval Values (5)
| State Lower Limit: | 6,944,891 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| State Upper Limit: | 7,675,933 | (State Test Value plus Margin of Error Percent) |
| Local Test Value: | 8,081,457 | (Outside Confidence Interval) |
| Value Assigned (6): | 3,242,199 | (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