2009 Confidence Interval Detail
018/Bosque
018-907/Kopperl ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 10,387,810 | 0.9880 | 10,513,978 | 9 | 280 | .009244511 |
| A | 10,652,550 | 1.0025 | 10,625,985 | 9 | 155 | .012017086 |
| A | 10,481,840 | 0.9971 | 10,512,326 | 9 | 103 | .005248289 |
| A | 10,947,400 | 0.9629 | 11,369,197 | 8 | 68 | .025307131 |
| D3 | 39,157,390 | 1.0213 | 38,340,732 | 31 | 993 | .016273656 |
| Random Totals: | 81,626,990 | 81,362,218 | 66 | 1,599 | ||
| Catg J Exception Values: | 4,492,070 | 4,586,619 | ||||
| Catg D1 Exception Values: | 4,170,420 | 3,814,080 | ||||
| Total Test Values (4): | 90,289,480 | 89,762,917 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 4,488,146 |
Confidence Interval Values (5)
| State Lower Limit: | 85,274,771 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 90,289,480 | (Within Confidence Interval) |
| State Upper Limit: | 94,251,063 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 102,448,475 | (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