2007 Confidence Interval Detail
092/Gregg
092-907/Spring Hill ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 76,883,484 | 0.9518 | 80,776,932 | 30 | 678 | .019421727 |
| A | 76,907,421 | 0.9896 | 77,715,664 | 56 | 466 | .008257168 |
| A | 76,722,743 | 0.9901 | 77,489,893 | 44 | 317 | .005160132 |
| A | 76,603,736 | 0.9950 | 76,988,679 | 25 | 197 | .009456694 |
| B | 4,875,615 | 0.8710 | 5,597,721 | 10 | 81 | .023568687 |
| B | 4,766,629 | 0.8671 | 5,497,208 | 8 | 62 | .047519068 |
| B | 4,802,133 | 1.0255 | 4,682,724 | 9 | 49 | .015776097 |
| B | 4,790,994 | 0.9743 | 4,917,370 | 8 | 28 | .005544717 |
| G1 | 8,363,340 | 0.9684 | 8,636,245 | 6 | 66 | .076297128 |
| G1 | 8,227,540 | 1.0301 | 7,987,127 | 6 | 28 | .007079348 |
| G1 | 8,309,770 | 1.0038 | 8,278,312 | 5 | 16 | .000497259 |
| G1 | 8,245,781 | 0.9699 | 8,501,682 | 4 | 10 | .020442069 |
| Random Totals: | 359,499,186 | 367,069,557 | 211 | 1,998 | ||
| Catg D1 Exception Values: | 226,180 | 187,678 | ||||
| Total Test Values (4): | 359,725,366 | 367,257,235 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 18,362,862 |
Confidence Interval Values (5)
| State Lower Limit: | 348,894,373 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 359,725,366 | (Within Confidence Interval) |
| State Upper Limit: | 385,620,097 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 379,805,799 | (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