2009 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 | 22,724,730 | 0.8920 | 25,476,155 | 7 | 347 | .089212059 |
| A | 23,472,590 | 0.9518 | 24,661,263 | 10 | 227 | .007604088 |
| A | 22,983,290 | 0.9831 | 23,378,385 | 8 | 161 | .008946651 |
| A | 25,941,320 | 0.9735 | 26,647,478 | 9 | 102 | .007230457 |
| D3 | 114,428,240 | 0.9300 | 123,041,118 | 12 | 2,642 | .022220178 |
| G1 | 103,006,173 | 0.9925 | 103,784,557 | 11 | 197 | .009714205 |
| G1 | 101,773,792 | 0.9570 | 106,346,700 | 8 | 95 | .003594563 |
| G1 | 102,835,745 | 0.9858 | 104,317,047 | 6 | 57 | .001036337 |
| G1 | 101,858,999 | 0.9800 | 103,937,754 | 5 | 23 | .001118507 |
| Random Totals: | 619,024,879 | 641,590,457 | 76 | 3,851 | ||
| Catg J Exception Values: | 8,289,760 | 8,217,122 | ||||
| Catg D1 Exception Values: | 2,357,210 | 2,372,781 | ||||
| Total Test Values (4): | 629,671,849 | 652,180,360 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 32,609,018 |
Confidence Interval Values (5)
| State Lower Limit: | 619,571,342 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 629,671,849 | (Within Confidence Interval) |
| State Upper Limit: | 684,789,378 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 764,409,744 | (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