2008 Confidence Interval Detail
043/Collin
043-903/Celina ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 70,868,919 | 0.9789 | 72,396,485 | 24 | 626 | .004774712 |
| A | 85,198,823 | 0.9995 | 85,241,444 | 23 | 499 | .006372365 |
| A | 85,088,191 | 0.9857 | 86,322,604 | 25 | 322 | .002884340 |
| A | 90,515,523 | 1.0033 | 90,217,804 | 11 | 199 | .005078634 |
| D3 | 183,144,481 | 1.0027 | 182,651,322 | 67 | 2,922 | .031339168 |
| F1 | 7,298,171 | 0.9342 | 7,812,215 | 9 | 34 | .029929108 |
| F1 | 9,654,676 | 1.0245 | 9,423,793 | 6 | 11 | .007872056 |
| F1 | 9,072,049 | 1.0098 | 8,984,006 | 3 | 3 | .001060082 |
| Random Totals: | 540,840,833 | 543,049,673 | 168 | 4,616 | ||
| Catg D1 Exception Values: | 5,953,342 | 5,856,496 | ||||
| Catg F1 Exception Values: | 10,401,075 | 9,766,145 | ||||
| Total Test Values (4): | 557,195,250 | 558,672,314 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 27,933,616 |
Confidence Interval Values (5)
| State Lower Limit: | 530,738,698 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 557,195,250 | (Within Confidence Interval) |
| State Upper Limit: | 586,605,930 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 630,797,021 | (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