2007 Confidence Interval Detail
157/Mason
157-901/Mason ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 18,256,379 | 0.8941 | 20,418,722 | 20 | 346 | .025571221 |
| A | 18,296,728 | 0.9272 | 19,733,313 | 21 | 230 | .025590852 |
| A | 18,312,452 | 0.9388 | 19,506,233 | 22 | 150 | .029145924 |
| A | 18,119,952 | 0.8975 | 20,189,362 | 20 | 88 | .008163699 |
| D3 | 90,821,940 | 1.0130 | 89,656,407 | 34 | 8,508 | .239362701 |
| F1 | 5,013,273 | 0.8701 | 5,761,720 | 10 | 87 | .018860402 |
| F1 | 5,050,549 | 0.9197 | 5,491,518 | 11 | 35 | .041289038 |
| F1 | 5,244,278 | 0.9217 | 5,689,788 | 10 | 20 | .010780727 |
| F1 | 4,657,207 | 0.9426 | 4,940,809 | 7 | 8 | .004604614 |
| Random Totals: | 183,772,758 | 191,387,872 | 155 | 9,472 | ||
| Catg J Exception Values: | 4,681,183 | 4,725,010 | ||||
| Catg D1 Exception Values: | 35,845,530 | 39,460,414 | ||||
| Total Test Values (4): | 224,299,471 | 235,573,296 |
Margin of Error
| Margin of Error Percent: | 6.3373227 |
|---|---|
| Margin of Error Value: | 14,929,040 |
Confidence Interval Values (5)
| State Lower Limit: | 220,644,256 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 224,299,471 | (Within Confidence Interval) |
| State Upper Limit: | 250,502,336 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 205,310,137 | (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