2007 Confidence Interval Detail
090/Gray
090-903/McLean ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 7,669,440 | 0.7741 | 9,907,557 | 20 | 226,246 | .470964678 |
| G1 | 23,500,670 | 0.9148 | 25,689,408 | 15 | 241 | .099586611 |
| G1 | 23,283,112 | 1.0340 | 22,517,516 | 15 | 114 | .007780535 |
| G1 | 23,614,871 | 1.0601 | 22,276,079 | 15 | 69 | .014473320 |
| G1 | 23,017,467 | 1.0646 | 21,620,766 | 15 | 34 | .028343388 |
| Random Totals: | 101,085,560 | 102,011,326 | 80 | 226,704 | ||
| Catg J Exception Values: | 3,694,185 | 3,516,610 | ||||
| Catg D1 Exception Values: | 8,611,600 | 11,849,606 | ||||
| Total Test Values (4): | 113,391,345 | 117,377,542 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 5,868,877 |
Confidence Interval Values (5)
| State Lower Limit: | 111,508,665 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 113,391,345 | (Within Confidence Interval) |
| State Upper Limit: | 123,246,419 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 141,872,335 | (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