2007 Confidence Interval Detail
249/Wise
249-902/Boyd ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 19,720,006 | 1.0059 | 19,604,340 | 9 | 321 | .018343043 |
| A | 19,738,602 | 0.9385 | 21,032,075 | 10 | 197 | .030903527 |
| A | 19,666,172 | 1.0207 | 19,267,338 | 10 | 141 | .045061588 |
| A | 19,688,856 | 1.0018 | 19,653,480 | 9 | 94 | .001629654 |
| D3 | 108,318,810 | 1.1310 | 95,772,599 | 31 | 2,620 | .096253680 |
| G1 | 85,607,381 | 0.9879 | 86,655,918 | 7 | 172 | .011588812 |
| G1 | 85,403,248 | 1.0298 | 82,931,878 | 6 | 88 | .002582173 |
| G1 | 84,156,042 | 1.0167 | 82,773,721 | 6 | 58 | .005297692 |
| G1 | 84,844,286 | 0.9588 | 88,490,077 | 6 | 27 | .001934236 |
| Random Totals: | 527,143,403 | 516,181,426 | 94 | 3,718 | ||
| Catg J Exception Values: | 9,508,028 | 9,556,794 | ||||
| Catg D1 Exception Values: | 2,377,020 | 2,182,676 | ||||
| Total Test Values (4): | 539,028,451 | 527,920,896 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 26,396,045 |
Confidence Interval Values (5)
| State Lower Limit: | 501,524,851 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 539,028,451 | (Within Confidence Interval) |
| State Upper Limit: | 554,316,941 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 602,795,022 | (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