2008 Confidence Interval Detail
109/Hill
109-914/Penelope ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,519,770 | 0.9888 | 1,536,984 | 12 | 51 | .042398038 |
| A | 1,466,200 | 0.9417 | 1,556,971 | 9 | 28 | .005975521 |
| A | 1,376,950 | 1.0132 | 1,359,011 | 9 | 17 | .007070042 |
| A | 1,748,810 | 0.9822 | 1,780,503 | 9 | 13 | .004258566 |
| D3 | 10,655,450 | 0.9490 | 11,228,082 | 42 | 755 | .033719849 |
| Random Totals: | 16,767,180 | 17,461,551 | 81 | 864 | ||
| Catg J Exception Values: | 1,152,757 | 1,153,882 | ||||
| Catg D1 Exception Values: | 3,727,213 | 3,375,341 | ||||
| Total Test Values (4): | 21,647,150 | 21,990,774 |
Margin of Error
| Margin of Error Percent: | 5.0000014 |
|---|---|
| Margin of Error Value: | 1,099,539 |
Confidence Interval Values (5)
| State Lower Limit: | 20,891,235 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 21,647,150 | (Within Confidence Interval) |
| State Upper Limit: | 23,090,313 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 19,843,064 | (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