2008 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 | 22,385,014 | 1.0517 | 21,284,600 | 7 | 271 | .011568824 |
| A | 31,846,930 | 0.9950 | 32,006,965 | 7 | 181 | .021200827 |
| A | 29,402,094 | 0.9851 | 29,846,811 | 7 | 111 | .069496805 |
| A | 25,767,311 | 1.0325 | 24,956,233 | 6 | 66 | .016475196 |
| C | 1,036,431 | 0.8109 | 1,278,124 | 8 | 74 | .112817109 |
| C | 3,465,132 | 1.0382 | 3,337,634 | 14 | 118 | .004617008 |
| C | 4,666,471 | 0.9255 | 5,042,108 | 7 | 97 | .013125079 |
| C | 12,798,612 | 0.9883 | 12,950,129 | 9 | 126 | .191197020 |
| D3 | 43,329,725 | 0.9238 | 46,903,794 | 13 | 1,122 | .093481569 |
| Random Totals: | 174,697,720 | 177,606,398 | 78 | 2,166 | ||
| Catg D1 Exception Values: | 5,405,662 | 4,091,642 | ||||
| Total Test Values (4): | 180,103,382 | 181,698,040 |
Margin of Error
| Margin of Error Percent: | 6.2660335 |
|---|---|
| Margin of Error Value: | 11,385,260 |
Confidence Interval Values (5)
| State Lower Limit: | 170,312,780 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 180,103,382 | (Within Confidence Interval) |
| State Upper Limit: | 193,083,300 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 200,899,941 | (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
