2009 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 | 2,259,960 | 0.9324 | 2,423,810 | 7 | 170 | .010384224 |
| A | 2,155,050 | 1.0385 | 2,075,156 | 6 | 74 | .003524719 |
| A | 2,308,930 | 1.0703 | 2,157,274 | 6 | 51 | .022611651 |
| A | 2,173,920 | 1.1122 | 1,954,612 | 6 | 27 | .002545595 |
| D3 | 7,669,342 | 0.9486 | 8,084,906 | 10 | 1,803 | .018587867 |
| Random Totals: | 16,567,202 | 16,695,758 | 35 | 2,125 | ||
| Catg D1 Exception Values: | 36,988,910 | 37,932,828 | ||||
| Total Test Values (4): | 53,556,112 | 54,628,586 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,731,429 |
Confidence Interval Values (5)
| State Lower Limit: | 51,897,157 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 53,556,112 | (Within Confidence Interval) |
| State Upper Limit: | 57,360,015 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 54,241,197 | (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