2006 Confidence Interval Detail
240/Webb
240-903/United ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 810,209,816 | 0.9122 | 888,193,177 | 57 | 9,445 | .008332365 |
| A | 809,439,792 | 0.9544 | 848,113,780 | 57 | 6,462 | .011865297 |
| A | 809,455,910 | 0.9734 | 831,575,827 | 57 | 4,633 | .008697363 |
| A | 809,414,415 | 0.9849 | 821,823,957 | 57 | 2,451 | .032860971 |
| C | 74,947,589 | 0.9436 | 79,427,288 | 9 | 3,965 | .081097043 |
| C | 75,032,517 | 0.8643 | 86,813,048 | 8 | 2,444 | .022360895 |
| C | 74,814,570 | 1.0412 | 71,854,178 | 11 | 599 | .059582141 |
| C | 74,910,957 | 0.9306 | 80,497,482 | 7 | 164 | .005045913 |
| F1 | 414,834,395 | 1.0203 | 406,580,805 | 7 | 1,235 | .025440363 |
| F1 | 413,407,580 | 0.9742 | 424,355,964 | 7 | 408 | .002112879 |
| F1 | 414,595,091 | 1.1066 | 374,656,688 | 7 | 166 | .016316162 |
| F1 | 412,897,554 | 0.9394 | 439,533,270 | 6 | 49 | .002256353 |
| G1 | 338,107,976 | 1.0963 | 308,408,261 | 7 | 980 | .068750347 |
| G1 | 338,462,418 | 1.0825 | 312,667,361 | 7 | 366 | .040205164 |
| G1 | 338,106,269 | 1.1017 | 306,895,043 | 7 | 168 | .015156766 |
| G1 | 335,950,797 | 1.2488 | 269,018,896 | 6 | 66 | .078261809 |
| L1 | 123,672,931 | 1.0045 | 123,118,896 | 7 | 1,077 | .004478087 |
| L1 | 123,646,884 | 0.9400 | 131,539,238 | 7 | 230 | .030279315 |
| L1 | 126,873,796 | 1.0000 | 126,873,796 | 6 | 72 | .001085946 |
| L1 | 119,994,139 | 0.9863 | 121,660,893 | 5 | 17 | .001793557 |
| Random Totals: | 7,038,775,396 | 7,053,607,848 | 342 | 34,997 | ||
| Catg D1 Exception Values: | 66,348,660 | 106,111,944 | ||||
| Total Test Values (4): | 7,105,124,056 | 7,159,719,792 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 357,985,990 |
Confidence Interval Values (5)
| State Lower Limit: | 6,801,733,802 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 7,105,124,056 | (Within Confidence Interval) |
| State Upper Limit: | 7,517,705,782 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 7,983,965,899 | (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