2009 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 | 2,418,020 | 0.9160 | 2,639,760 | 16 | 95 | .024288627 |
| A | 2,689,748 | 0.8534 | 3,151,802 | 14 | 49 | .019990776 |
| A | 2,340,659 | 0.9030 | 2,592,092 | 11 | 23 | .005238060 |
| A | 3,344,145 | 1.0261 | 3,259,083 | 10 | 21 | .000575097 |
| D3 | 7,910,820 | 0.9519 | 8,310,558 | 21 | 739 | .012727876 |
| Random Totals: | 18,703,392 | 19,953,295 | 72 | 927 | ||
| Catg D1 Exception Values: | 7,166,912 | 8,155,287 | ||||
| Total Test Values (4): | 25,870,304 | 28,108,582 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,405,429 |
Confidence Interval Values (5)
| Local Test Value: | 25,870,304 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 26,703,153 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 29,514,011 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 26,618,350 | (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