2011 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 | 19,682,535 | 1.1098 | 17,735,209 | 10 | 355 | .022564327 |
| A | 20,296,810 | 1.0013 | 20,270,458 | 8 | 214 | .007152184 |
| A | 21,094,140 | 1.0210 | 20,660,274 | 9 | 150 | .001225671 |
| A | 18,943,279 | 0.9794 | 19,341,718 | 7 | 72 | .013652279 |
| C | 15,083,237 | 1.0037 | 15,027,635 | 16 | 513 | .060952007 |
| C | 3,876,723 | 1.0781 | 3,595,884 | 7 | 99 | .014239911 |
| C | 7,630,578 | 1.1128 | 6,857,097 | 7 | 151 | .028740759 |
| C | 8,055,620 | 0.9671 | 8,329,666 | 7 | 113 | .000916107 |
| D3 | 62,048,663 | 0.7806 | 79,488,423 | 15 | 1,440 | .170242880 |
| G1 | 6,051,823 | 0.9881 | 6,124,707 | 8 | 27 | .007502820 |
| G1 | 5,737,535 | 0.9799 | 5,855,225 | 5 | 10 | .030725262 |
| G1 | 6,045,726 | 1.0097 | 5,987,646 | 4 | 8 | .001679927 |
| G1 | 5,511,228 | 0.9933 | 5,548,402 | 3 | 5 | .001327331 |
| Random Totals: | 200,057,897 | 214,822,344 | 106 | 3,157 | ||
| Catg J Exception Values: | 4,931,103 | 5,172,751 | ||||
| Catg D1 Exception Values: | 3,696,621 | 2,610,715 | ||||
| Total Test Values (4): | 208,685,621 | 222,605,810 |
Margin of Error
| Margin of Error Percent: | 7.6665443 |
|---|---|
| Margin of Error Value: | 17,066,173 |
Confidence Interval Values (5)
| State Lower Limit: | 205,539,637 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 208,685,621 | (Within Confidence Interval) |
| State Upper Limit: | 239,671,983 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 271,428,193 | (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