2009 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 | 87,205,700 | 0.9688 | 90,014,141 | 15 | 712 | .007057514 |
| A | 79,432,355 | 0.9617 | 82,595,773 | 7 | 435 | .008144923 |
| A | 90,065,075 | 1.0035 | 89,750,947 | 23 | 325 | .004138711 |
| A | 81,295,812 | 0.9476 | 85,791,275 | 7 | 168 | .011511731 |
| D3 | 177,524,031 | 0.9619 | 184,555,599 | 17 | 2,941 | .001417099 |
| F1 | 10,092,915 | 1.0436 | 9,671,249 | 7 | 40 | .003082095 |
| F1 | 7,400,598 | 0.9700 | 7,629,482 | 5 | 8 | .004140550 |
| F1 | 20,568,753 | 1.0050 | 20,466,421 | 3 | 6 | .003310869 |
| Random Totals: | 553,585,239 | 570,474,887 | 84 | 4,635 | ||
| Catg D1 Exception Values: | 6,414,705 | 6,037,044 | ||||
| Total Test Values (4): | 559,999,944 | 576,511,931 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 28,825,597 |
Confidence Interval Values (5)
| State Lower Limit: | 547,686,334 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 559,999,944 | (Within Confidence Interval) |
| State Upper Limit: | 605,337,528 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 631,562,900 | (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