2011 Confidence Interval Detail
234/Van Zandt
234-905/Martins Mill ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 4,917,750 | 0.9218 | 5,334,943 | 7 | 98 | .008026156 |
| A | 4,857,050 | 0.9393 | 5,170,925 | 7 | 53 | .005933810 |
| A | 4,743,850 | 0.9761 | 4,860,004 | 7 | 34 | .005455708 |
| A | 4,801,690 | 1.0110 | 4,749,446 | 7 | 21 | .005734858 |
| D3 | 64,079,340 | 0.9638 | 66,486,138 | 15 | 1,936 | .087391969 |
| Random Totals: | 83,399,680 | 86,601,456 | 43 | 2,142 | ||
| Catg D1 Exception Values: | 4,399,050 | 2,577,142 | ||||
| Total Test Values (4): | 87,798,730 | 89,178,598 |
Margin of Error
| Margin of Error Percent: | 11.4680217 |
|---|---|
| Margin of Error Value: | 10,227,021 |
Confidence Interval Values (5)
| State Lower Limit: | 78,951,577 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 87,798,730 | (Within Confidence Interval) |
| State Upper Limit: | 99,405,619 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 88,168,397 | (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