2008 Confidence Interval Detail
198/Robertson
198-905/Hearne ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 15,294,600 | 0.6705 | 22,810,738 | 30 | 691 | .103256715 |
| A | 15,336,460 | 0.7305 | 20,994,470 | 23 | 387 | .181834733 |
| A | 15,677,340 | 0.7301 | 21,472,867 | 19 | 267 | .034804554 |
| A | 15,073,030 | 0.7842 | 19,220,900 | 15 | 160 | .098632732 |
| D3 | 28,062,840 | 0.5794 | 48,434,311 | 20 | 1,744 | .591299198 |
| F1 | 3,874,400 | 0.7039 | 5,504,191 | 15 | 92 | .344415010 |
| F1 | 3,724,870 | 0.5843 | 6,374,927 | 13 | 28 | .126506805 |
| F1 | 4,935,490 | 0.7843 | 6,292,860 | 7 | 11 | .014872382 |
| G1 | 34,522,279 | 0.9862 | 35,005,353 | 9 | 28 | .000939552 |
| G1 | 34,579,339 | 0.9971 | 34,679,911 | 8 | 13 | .024240284 |
| G1 | 34,889,143 | 0.9880 | 35,312,898 | 4 | 6 | .001086562 |
| Random Totals: | 205,969,791 | 256,103,426 | 163 | 3,427 | ||
| Catg J Exception Values: | 23,069,822 | 23,483,510 | ||||
| Catg D1 Exception Values: | 6,056,990 | 6,668,411 | ||||
| Catg F1 Exception Values: | 6,147,640 | 7,294,400 | ||||
| Catg G1 Exception Values: | 31,125,603 | 27,859,692 | ||||
| Total Test Values (4): | 272,369,846 | 321,409,439 |
Margin of Error
| Margin of Error Percent: | 5.4188325 |
|---|---|
| Margin of Error Value: | 17,416,639 |
Confidence Interval Values (5)
| Local Test Value: | 272,369,846 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 303,992,800 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 338,826,078 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 341,893,121 | (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