2008 Confidence Interval Detail
126/Johnson
126-907/Rio Vista ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 15,699,921 | 0.9069 | 17,311,634 | 12 | 320 | .048766877 |
| A | 18,717,551 | 0.9488 | 19,727,604 | 13 | 217 | .017340237 |
| A | 16,444,800 | 1.0019 | 16,413,614 | 8 | 133 | .002441726 |
| A | 22,064,619 | 1.0035 | 21,987,662 | 12 | 98 | .026576971 |
| C | 9,569,869 | 0.7068 | 13,539,713 | 17 | 413 | .163683406 |
| C | 4,202,970 | 0.7788 | 5,396,726 | 12 | 130 | .025134901 |
| C | 8,472,782 | 0.8617 | 9,832,635 | 31 | 208 | .072611906 |
| C | 7,254,617 | 0.8918 | 8,134,803 | 22 | 108 | .036220330 |
| D3 | 51,544,936 | 0.9345 | 55,157,770 | 21 | 1,392 | .017780845 |
| G1 | 17,393,589 | 0.9647 | 18,030,050 | 6 | 21 | .011402084 |
| G1 | 17,719,354 | 1.0191 | 17,387,257 | 4 | 12 | .002016356 |
| G1 | 16,706,033 | 1.0620 | 15,730,728 | 4 | 8 | .010988984 |
| G1 | 16,347,607 | 1.1400 | 14,340,006 | 3 | 5 | .014923396 |
| Random Totals: | 222,138,648 | 232,990,202 | 165 | 3,065 | ||
| Catg J Exception Values: | 17,038,736 | 18,087,129 | ||||
| Catg D1 Exception Values: | 3,825,404 | 3,249,038 | ||||
| Total Test Values (4): | 243,002,788 | 254,326,369 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 12,716,318 |
Confidence Interval Values (5)
| State Lower Limit: | 241,610,051 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 243,002,788 | (Within Confidence Interval) |
| State Upper Limit: | 267,042,687 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 279,537,934 | (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