2009 Confidence Interval Detail
007/Atascosa
015-909/Somerset ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 19,129,290 | 0.8047 | 23,771,952 | 13 | 573 | .134632785 |
| A | 19,946,190 | 0.7745 | 25,753,635 | 12 | 312 | .086750926 |
| A | 15,874,910 | 0.8026 | 19,779,355 | 7 | 161 | .081418391 |
| A | 15,930,990 | 1.0628 | 14,989,641 | 7 | 94 | .053915082 |
| D3 | 26,160,250 | 0.9033 | 28,960,755 | 20 | 807 | .292374981 |
| Random Totals: | 97,041,630 | 113,255,338 | 59 | 1,947 | ||
| Catg D1 Exception Values: | 1,072,150 | 1,061,049 | ||||
| Total Test Values (4): | 98,113,780 | 114,316,387 |
Margin of Error
| Margin of Error Percent: | 9.3208518 |
|---|---|
| Margin of Error Value: | 10,655,261 |
Confidence Interval Values (5)
| Local Test Value: | 98,113,780 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 103,661,126 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 124,971,648 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 94,414,797 | (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