2008 Confidence Interval Detail
043/Collin
043-918/Community ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 59,938,843 | 1.0992 | 54,529,515 | 15 | 868 | .026882851 |
| A | 73,004,183 | 0.9971 | 73,216,511 | 25 | 513 | .003120614 |
| A | 75,921,348 | 1.0054 | 75,513,575 | 24 | 415 | .001627002 |
| A | 69,593,229 | 0.9800 | 71,013,499 | 22 | 278 | .004268014 |
| C | 6,837,975 | 1.0442 | 6,548,530 | 10 | 406 | .107995160 |
| C | 3,455,412 | 0.9919 | 3,483,629 | 9 | 106 | .005740154 |
| C | 2,080,149 | 0.9538 | 2,180,907 | 10 | 41 | .096837182 |
| C | 5,950,831 | 1.0363 | 5,742,383 | 7 | 36 | .006470779 |
| D3 | 113,788,614 | 1.0451 | 108,878,207 | 40 | 2,686 | .018964566 |
| Random Totals: | 410,570,584 | 401,106,756 | 162 | 5,349 | ||
| Catg D1 Exception Values: | 3,746,383 | 3,850,571 | ||||
| Total Test Values (4): | 414,316,967 | 404,957,327 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 20,247,866 |
Confidence Interval Values (5)
| State Lower Limit: | 384,709,461 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 414,316,967 | (Within Confidence Interval) |
| State Upper Limit: | 425,205,193 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 434,813,826 | (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