2009 Confidence Interval Detail
145/Leon
145-902/Centerville ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 7,308,840 | 1.0031 | 7,286,253 | 9 | 255 | .075438523 |
| A | 7,172,200 | 0.8362 | 8,577,135 | 9 | 130 | .021955508 |
| A | 7,877,530 | 0.9078 | 8,677,605 | 8 | 89 | .009748128 |
| A | 7,280,590 | 0.7993 | 9,108,708 | 8 | 51 | .026938707 |
| D3 | 123,502,820 | 0.9669 | 127,730,706 | 21 | 5,614 | .075431196 |
| G1 | 15,695,510 | 1.0385 | 15,113,635 | 14 | 41 | .003984882 |
| G1 | 16,320,430 | 0.9709 | 16,809,589 | 8 | 11 | .009737473 |
| Random Totals: | 185,157,920 | 193,303,631 | 77 | 6,191 | ||
| Catg J Exception Values: | 5,138,650 | 5,034,298 | ||||
| Catg D1 Exception Values: | 13,093,310 | 10,633,364 | ||||
| Catg G1 Exception Values: | 28,915,586 | 28,312,720 | ||||
| Total Test Values (4): | 232,305,466 | 237,284,013 |
Margin of Error
| Margin of Error Percent: | 6.4653724 |
|---|---|
| Margin of Error Value: | 15,341,295 |
Confidence Interval Values (5)
| State Lower Limit: | 221,942,718 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 232,305,466 | (Within Confidence Interval) |
| State Upper Limit: | 252,625,308 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 272,708,412 | (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