2007 Confidence Interval Detail
043/Collin
043-902/Anna ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 80,898,721 | 0.9892 | 81,781,966 | 23 | 729 | .004607770 |
| A | 80,871,073 | 0.9876 | 81,886,465 | 25 | 546 | .004912230 |
| A | 80,965,167 | 0.9951 | 81,363,850 | 25 | 471 | .002620468 |
| A | 80,748,363 | 1.0158 | 79,492,383 | 25 | 351 | .002174357 |
| D3 | 77,137,039 | 0.8400 | 91,829,808 | 15 | 1,784 | .084492130 |
| Random Totals: | 400,620,363 | 416,354,472 | 113 | 3,881 | ||
| Catg D1 Exception Values: | 3,817,887 | 3,563,020 | ||||
| Total Test Values (4): | 404,438,250 | 419,917,492 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 20,995,875 |
Confidence Interval Values (5)
| State Lower Limit: | 398,921,617 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 404,438,250 | (Within Confidence Interval) |
| State Upper Limit: | 440,913,367 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 483,177,652 | (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