2007 Confidence Interval Detail
091/Grayson
091-917/Gunter ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 23,279,819 | 0.9307 | 25,013,236 | 13 | 266 | .042914911 |
| A | 23,411,023 | 0.9302 | 25,167,731 | 10 | 139 | .023225644 |
| A | 23,237,550 | 1.0157 | 22,878,360 | 13 | 91 | .008103820 |
| A | 23,131,623 | 0.9629 | 24,022,872 | 10 | 57 | .003744817 |
| C | 3,212,162 | 0.9367 | 3,429,232 | 11 | 110 | .047588476 |
| C | 3,208,068 | 1.1579 | 2,770,592 | 7 | 67 | .020515375 |
| C | 3,254,769 | 0.9727 | 3,346,118 | 7 | 55 | .030936596 |
| C | 3,155,341 | 0.9680 | 3,259,650 | 7 | 32 | .002657296 |
| Random Totals: | 105,890,355 | 109,887,791 | 78 | 817 | ||
| Catg D1 Exception Values: | 5,467,452 | 4,036,994 | ||||
| Catg D3 Exception Values: | 38,382,545 | 39,417,798 | ||||
| Total Test Values (4): | 149,740,352 | 153,342,583 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 7,667,129 |
Confidence Interval Values (5)
| State Lower Limit: | 145,675,454 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 149,740,352 | (Within Confidence Interval) |
| State Upper Limit: | 161,009,712 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 160,371,577 | (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