2009 Confidence Interval Detail
218/Sutton
218-901/Sonora ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 19,976,910 | 0.7557 | 26,434,974 | 9 | 505 | .120790777 |
| A | 19,831,740 | 0.8907 | 22,265,342 | 9 | 258 | .038412683 |
| A | 19,787,000 | 0.9432 | 20,978,584 | 10 | 171 | .011732603 |
| A | 22,808,550 | 0.8606 | 26,503,079 | 10 | 113 | .007105803 |
| G1 | 222,632,674 | 0.9396 | 236,944,097 | 7 | 1,969 | .004979068 |
| G1 | 222,524,026 | 1.0951 | 203,199,732 | 7 | 753 | .038757105 |
| G1 | 222,322,577 | 1.1617 | 191,376,928 | 7 | 422 | .011844664 |
| G1 | 222,335,796 | 1.1333 | 196,184,414 | 7 | 206 | .013552383 |
| Random Totals: | 972,219,273 | 923,887,150 | 66 | 4,397 | ||
| Catg D1 Exception Values: | 44,771,028 | 42,203,440 | ||||
| Total Test Values (4): | 1,016,990,301 | 966,090,590 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 48,304,530 |
Confidence Interval Values (5)
| State Lower Limit: | 917,786,060 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| State Upper Limit: | 1,014,395,120 | (State Test Value plus Margin of Error Percent) |
| Local Test Value: | 1,016,990,301 | (Outside Confidence Interval) |
| Value Assigned (6): | 1,346,864,898 | (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