2006 Confidence Interval Detail
184/Parker
184-909/Brock ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 23,970,221 | 0.9683 | 24,754,953 | 9 | 226 | .013197870 |
| A | 23,921,043 | 1.0048 | 23,806,771 | 34 | 128 | .002183402 |
| A | 23,918,789 | 1.0143 | 23,581,573 | 10 | 87 | .001361487 |
| A | 23,798,215 | 0.9338 | 25,485,345 | 7 | 50 | .017257769 |
| D3 | 98,974,760 | 1.0473 | 94,504,688 | 20 | 2,052 | .007909719 |
| Random Totals: | 194,583,028 | 192,133,330 | 80 | 2,543 | ||
| Catg D1 Exception Values: | 4,414,100 | 3,431,702 | ||||
| Total Test Values (4): | 198,997,128 | 195,565,032 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 9,778,252 |
Confidence Interval Values (5)
| State Lower Limit: | 185,786,780 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 198,997,128 | (Within Confidence Interval) |
| State Upper Limit: | 205,343,284 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 230,952,741 | (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