2009 Confidence Interval Detail
247/Wilson
247-906/Stockdale ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 11,567,059 | 0.9410 | 12,292,305 | 15 | 299 | .004902311 |
| A | 9,613,173 | 0.9594 | 10,019,984 | 15 | 144 | .049841223 |
| A | 17,817,139 | 0.9549 | 18,658,644 | 15 | 186 | .023551389 |
| A | 24,546,697 | 0.9540 | 25,730,290 | 14 | 147 | .005027606 |
| D3 | 83,891,842 | 0.9546 | 87,881,670 | 21 | 2,710 | .037584680 |
| Random Totals: | 147,435,910 | 154,582,893 | 80 | 3,486 | ||
| Catg D1 Exception Values: | 11,618,206 | 9,282,506 | ||||
| Total Test Values (4): | 159,054,116 | 163,865,399 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 8,193,270 |
Confidence Interval Values (5)
| State Lower Limit: | 155,672,129 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 159,054,116 | (Within Confidence Interval) |
| State Upper Limit: | 172,058,669 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 159,829,606 | (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