2009 Confidence Interval Detail
247/Wilson
247-904/Poth ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 9,628,661 | 0.9575 | 10,056,043 | 15 | 223 | .008698580 |
| A | 14,855,624 | 0.9887 | 15,025,411 | 15 | 189 | .007650132 |
| A | 16,431,991 | 0.9884 | 16,624,839 | 15 | 149 | .007344464 |
| A | 33,230,707 | 0.9904 | 33,552,814 | 15 | 189 | .010514377 |
| D3 | 71,161,223 | 0.9543 | 74,569,028 | 21 | 2,881 | .035067275 |
| G1 | 1,604,356 | 1.1401 | 1,407,206 | 12 | 33 | .103772526 |
| G1 | 2,282,515 | 1.2632 | 1,806,931 | 4 | 5 | .312418300 |
| Random Totals: | 149,195,077 | 153,042,272 | 97 | 3,669 | ||
| Catg D1 Exception Values: | 16,577,829 | 14,156,375 | ||||
| Catg G1 Exception Values: | 2,345,341 | 2,108,089 | ||||
| Total Test Values (4): | 168,118,247 | 169,306,736 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 8,465,337 |
Confidence Interval Values (5)
| State Lower Limit: | 160,841,399 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 168,118,247 | (Within Confidence Interval) |
| State Upper Limit: | 177,772,073 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 161,773,842 | (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