2006 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 | 4,385,493 | 0.9433 | 4,649,097 | 8 | 87 | .021491926 |
| A | 4,321,020 | 0.9675 | 4,466,171 | 7 | 48 | .049650258 |
| A | 4,299,521 | 1.0289 | 4,178,755 | 7 | 33 | .012961458 |
| A | 4,046,489 | 1.0512 | 3,849,400 | 6 | 21 | .009242614 |
| D3 | 59,206,480 | 0.9512 | 62,243,987 | 20 | 1,875 | .067324578 |
| Random Totals: | 76,259,003 | 79,387,410 | 48 | 2,064 | ||
| Catg D1 Exception Values: | 4,209,740 | 2,802,062 | ||||
| Total Test Values (4): | 80,468,743 | 82,189,472 |
Margin of Error
| Margin of Error Percent: | 8.8797796 |
|---|---|
| Margin of Error Value: | 7,298,244 |
Confidence Interval Values (5)
| State Lower Limit: | 74,891,228 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 80,468,743 | (Within Confidence Interval) |
| State Upper Limit: | 89,487,716 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 78,972,031 | (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