2008 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 | 69,696,634 | 0.9680 | 72,000,655 | 19 | 596 | .005150757 |
| A | 74,375,959 | 0.9901 | 75,119,643 | 24 | 401 | .002756203 |
| A | 67,619,704 | 0.9872 | 68,496,459 | 23 | 263 | .002543299 |
| A | 80,126,682 | 0.9871 | 81,173,824 | 8 | 204 | .004097068 |
| D3 | 38,838,845 | 0.9503 | 40,870,088 | 12 | 992 | .034208377 |
| Random Totals: | 330,657,824 | 337,660,669 | 86 | 2,456 | ||
| Catg D1 Exception Values: | 1,665,430 | 1,629,266 | ||||
| Total Test Values (4): | 332,323,254 | 339,289,935 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 16,964,497 |
Confidence Interval Values (5)
| State Lower Limit: | 322,325,438 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 332,323,254 | (Within Confidence Interval) |
| State Upper Limit: | 356,254,432 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 422,146,302 | (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