2008 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 | 32,796,910 | 0.8620 | 38,047,459 | 17 | 683 | .094635858 |
| A | 32,612,570 | 0.8870 | 36,767,272 | 17 | 334 | .022963119 |
| A | 33,329,940 | 0.9541 | 34,933,382 | 17 | 229 | .050607327 |
| A | 39,100,380 | 0.8633 | 45,291,764 | 16 | 161 | .033524212 |
| D3 | 58,676,460 | 0.8067 | 72,736,408 | 26 | 2,362 | .247258239 |
| F1 | 3,645,710 | 0.7038 | 5,180,037 | 6 | 55 | .170582000 |
| F1 | 2,738,790 | 0.8292 | 3,302,931 | 5 | 17 | .073330726 |
| F1 | 4,755,460 | 0.9514 | 4,998,381 | 5 | 16 | .078635320 |
| F1 | 3,270,030 | 1.0192 | 3,208,428 | 3 | 4 | .016186847 |
| Random Totals: | 210,926,250 | 244,466,062 | 112 | 3,861 | ||
| Catg D1 Exception Values: | 4,776,422 | 3,128,672 | ||||
| Total Test Values (4): | 215,702,672 | 247,594,734 |
Margin of Error
| Margin of Error Percent: | 6.5779755 |
|---|---|
| Margin of Error Value: | 16,286,721 |
Confidence Interval Values (5)
| Local Test Value: | 215,702,672 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 231,308,013 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 263,881,455 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 208,751,366 | (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