2008 Confidence Interval Detail
236/Walker
093-905/Richards ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,108,220 | 1.0387 | 1,066,930 | 6 | 27 | .021277485 |
| A | 1,051,640 | 1.0248 | 1,026,190 | 5 | 17 | .012246551 |
| A | 1,147,360 | 1.0389 | 1,104,399 | 4 | 13 | .009549968 |
| A | 1,362,820 | 1.0293 | 1,324,026 | 4 | 10 | .048889495 |
| D3 | 19,156,875 | 0.9360 | 20,466,747 | 20 | 594 | .068033466 |
| Random Totals: | 23,826,915 | 24,988,292 | 39 | 661 | ||
| Catg D1 Exception Values: | 2,174,115 | 2,193,792 | ||||
| Total Test Values (4): | 26,001,030 | 27,182,084 |
Margin of Error
| Margin of Error Percent: | 8.8267993 |
|---|---|
| Margin of Error Value: | 2,399,308 |
Confidence Interval Values (5)
| State Lower Limit: | 24,782,776 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 26,001,030 | (Within Confidence Interval) |
| State Upper Limit: | 29,581,392 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 22,930,290 | (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