2011 Confidence Interval Detail
250/Wood
250-906/Alba-Golden ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 38,526,830 | 1.1274 | 34,173,168 | 11 | 691 | .065754437 |
| A | 39,127,390 | 0.9517 | 41,113,155 | 10 | 361 | .005160726 |
| A | 39,606,550 | 0.8454 | 46,849,480 | 10 | 245 | .025328657 |
| A | 39,841,780 | 0.9462 | 42,107,144 | 10 | 145 | .030623667 |
| D3 | 62,686,407 | 0.9257 | 67,717,843 | 15 | 2,354 | .014127901 |
| F1 | 3,371,478 | 0.9349 | 3,606,245 | 8 | 54 | .019893878 |
| F1 | 3,741,840 | 0.9378 | 3,990,019 | 7 | 24 | .028005264 |
| F1 | 4,020,320 | 0.9941 | 4,044,181 | 6 | 14 | .021799670 |
| F1 | 3,813,610 | 0.9011 | 4,232,172 | 3 | 6 | .004276669 |
| Random Totals: | 234,736,205 | 247,833,407 | 80 | 3,894 | ||
| Catg D1 Exception Values: | 4,734,421 | 3,183,239 | ||||
| Total Test Values (4): | 239,470,626 | 251,016,646 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 12,550,832 |
Confidence Interval Values (5)
| State Lower Limit: | 238,465,814 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 239,470,626 | (Within Confidence Interval) |
| State Upper Limit: | 263,567,478 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 227,012,324 | (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