2007 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 | 16,048,137 | 0.9752 | 16,456,252 | 14 | 314 | .049356173 |
| A | 16,099,719 | 0.9632 | 16,714,825 | 18 | 186 | .017605120 |
| A | 16,007,742 | 0.9503 | 16,844,935 | 18 | 130 | .027918371 |
| A | 15,995,042 | 0.9978 | 16,030,309 | 17 | 77 | .022140564 |
| C | 6,944,876 | 0.9244 | 7,512,847 | 8 | 327 | .083645249 |
| C | 6,281,567 | 0.8518 | 7,374,462 | 18 | 194 | .043785899 |
| C | 6,938,433 | 0.9972 | 6,957,915 | 12 | 160 | .007823527 |
| C | 6,274,917 | 1.0938 | 5,736,805 | 9 | 93 | .069258382 |
| D3 | 49,134,270 | 0.8818 | 55,720,424 | 21 | 1,409 | .021176772 |
| Random Totals: | 139,724,703 | 149,348,774 | 135 | 2,890 | ||
| Catg J Exception Values: | 4,870,067 | 5,000,329 | ||||
| Catg D1 Exception Values: | 3,820,839 | 3,242,737 | ||||
| Catg G1 Exception Values: | 30,432,022 | 28,367,886 | ||||
| Total Test Values (4): | 178,847,631 | 185,959,726 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 9,297,986 |
Confidence Interval Values (5)
| State Lower Limit: | 176,661,740 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 178,847,631 | (Within Confidence Interval) |
| State Upper Limit: | 195,257,712 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 188,687,501 | (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