2008 Confidence Interval Detail
072/Erath
072-910/Morgan Mill ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,537,470 | 1.0455 | 1,470,560 | 8 | 39 | .030497634 |
| A | 1,439,600 | 0.9224 | 1,560,711 | 8 | 23 | .062759249 |
| A | 1,381,060 | 0.9440 | 1,462,987 | 6 | 17 | .012466412 |
| A | 1,391,430 | 0.9927 | 1,401,662 | 6 | 10 | .003022114 |
| D3 | 42,395,010 | 1.0900 | 38,894,505 | 48 | 1,042 | .059513852 |
| G1 | 4,470,590 | 1.0382 | 4,306,097 | 5 | 22 | .006332507 |
| G1 | 4,927,460 | 1.0059 | 4,898,559 | 4 | 9 | .005868929 |
| G1 | 5,124,150 | 1.0366 | 4,943,228 | 3 | 5 | .003377171 |
| Random Totals: | 62,666,770 | 58,938,309 | 88 | 1,167 | ||
| Catg J Exception Values: | 1,696,808 | 1,823,453 | ||||
| Catg D1 Exception Values: | 5,191,800 | 3,624,435 | ||||
| Catg G1 Exception Values: | 3,126,540 | 2,611,406 | ||||
| Total Test Values (4): | 72,681,918 | 66,997,603 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 3,349,880 |
Confidence Interval Values (5)
| State Lower Limit: | 63,647,723 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| State Upper Limit: | 70,347,483 | (State Test Value plus Margin of Error Percent) |
| Local Test Value: | 72,681,918 | (Outside Confidence Interval) |
| Value Assigned (6): | 76,390,833 | (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