2007 Confidence Interval Detail
023/Briscoe
023-902/Silverton ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,209,151 | 0.9378 | 2,355,674 | 16 | 169 | .006336629 |
| A | 2,189,720 | 0.9332 | 2,346,464 | 15 | 77 | .036403662 |
| A | 2,174,829 | 1.0039 | 2,166,380 | 15 | 48 | .002373339 |
| A | 2,171,859 | 1.0337 | 2,101,053 | 15 | 27 | .009310361 |
| D3 | 6,427,858 | 0.9827 | 6,541,018 | 21 | 1,733 | .006811630 |
| Random Totals: | 15,173,417 | 15,510,589 | 82 | 2,054 | ||
| Catg D1 Exception Values: | 33,215,388 | 30,881,706 | ||||
| Total Test Values (4): | 48,388,805 | 46,392,295 |
Margin of Error
| Margin of Error Percent: | 5.0000005 |
|---|---|
| Margin of Error Value: | 2,319,615 |
Confidence Interval Values (5)
| State Lower Limit: | 44,072,680 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 48,388,805 | (Within Confidence Interval) |
| State Upper Limit: | 48,711,910 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 49,960,366 | (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