2010 Confidence Interval Detail
043/Collin
043-908/Melissa ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 80,709,081 | 0.9935 | 81,237,122 | 35 | 671 | .002017101 |
| A | 83,348,012 | 0.9872 | 84,428,699 | 24 | 455 | .002649235 |
| A | 75,625,995 | 0.9717 | 77,828,543 | 15 | 300 | .004926449 |
| A | 69,511,075 | 1.0052 | 69,151,487 | 13 | 180 | .001856201 |
| D3 | 40,974,359 | 1.0597 | 38,665,999 | 16 | 1,101 | .027261889 |
| Random Totals: | 350,168,522 | 351,311,850 | 103 | 2,707 | ||
| Catg J Exception Values: | 7,249,839 | 7,913,844 | ||||
| Catg D1 Exception Values: | 1,746,934 | 1,672,905 | ||||
| Total Test Values (4): | 359,165,295 | 360,898,599 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 18,044,930 |
Confidence Interval Values (5)
| State Lower Limit: | 342,853,669 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 359,165,295 | (Within Confidence Interval) |
| State Upper Limit: | 378,943,529 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 417,622,955 | (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