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 | 23,276,830 | 0.9307 | 25,010,025 | 13 | 266 | .042914911 |
| A | 23,408,018 | 0.9302 | 25,164,500 | 10 | 139 | .023225644 |
| A | 23,234,567 | 1.0157 | 22,875,423 | 13 | 91 | .008103820 |
| A | 23,128,653 | 0.9629 | 24,019,787 | 10 | 57 | .003744817 |
| C | 3,083,503 | 0.9367 | 3,291,879 | 11 | 110 | .047588476 |
| C | 3,079,573 | 1.1579 | 2,659,619 | 7 | 67 | .020515375 |
| C | 3,124,403 | 0.9727 | 3,212,093 | 7 | 55 | .030936596 |
| C | 3,028,958 | 0.9680 | 3,129,089 | 7 | 32 | .002657296 |
| D3 | 37,658,742 | 0.9737 | 38,675,919 | 21 | 1,120 | .004017675 |
| Random Totals: | 143,023,247 | 148,038,334 | 99 | 1,937 | ||
| Catg D1 Exception Values: | 5,466,091 | 4,038,154 | ||||
| Total Test Values (4): | 148,489,338 | 152,076,488 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 7,603,824 |
Confidence Interval Values (5)
| State Lower Limit: | 144,472,664 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 148,489,338 | (Within Confidence Interval) |
| State Upper Limit: | 159,680,312 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 158,702,357 | (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