2008 Confidence Interval Detail
187/Polk
229-906/Chester ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 10,589,476 | 0.9307 | 11,377,969 | 12 | 236 | .048539224 |
| D3 | 7,838,175 | 1.0236 | 7,657,459 | 11 | 733 | .009312053 |
| Random Totals: | 18,427,651 | 19,035,428 | 23 | 969 | ||
| Catg J Exception Values: | 1,130,665 | 1,104,617 | ||||
| Catg D1 Exception Values: | 6,912,004 | 7,538,060 | ||||
| Total Test Values (4): | 26,470,320 | 27,678,105 |
Margin of Error
| Margin of Error Percent: | 5.5392448 |
|---|---|
| Margin of Error Value: | 1,533,158 |
Confidence Interval Values (5)
| State Lower Limit: | 26,144,947 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 26,470,320 | (Within Confidence Interval) |
| State Upper Limit: | 29,211,263 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 25,506,584 | (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