2008 Confidence Interval Detail
061/Denton
061-902/Lewisville ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,453,413,234 | 0.9892 | 3,491,117,301 | 66 | 23,362 | .000624042 |
| A | 3,666,995,463 | 0.9996 | 3,668,462,848 | 73 | 17,445 | .001410989 |
| A | 3,893,578,756 | 0.9980 | 3,901,381,519 | 82 | 12,838 | .002759997 |
| A | 4,109,644,640 | 0.9866 | 4,165,461,829 | 75 | 7,393 | .002974700 |
| B | 328,952,863 | 0.9856 | 333,758,992 | 7 | 186 | .003190971 |
| B | 313,489,869 | 0.9972 | 314,370,105 | 5 | 23 | .001541393 |
| B | 407,577,796 | 0.9307 | 437,926,073 | 5 | 19 | .003332027 |
| B | 370,535,917 | 0.8378 | 442,272,520 | 4 | 13 | .025498790 |
| C | 119,056,295 | 1.0038 | 118,605,594 | 14 | 1,033 | .003885995 |
| C | 129,060,487 | 1.0293 | 125,386,658 | 9 | 273 | .013391183 |
| C | 143,522,110 | 0.9771 | 146,885,795 | 7 | 122 | .012693542 |
| C | 172,646,129 | 0.9795 | 176,259,448 | 6 | 46 | .003839677 |
| D3 | 272,402,905 | 0.8640 | 315,281,140 | 10 | 1,544 | .051109465 |
| F1 | 929,889,764 | 0.9905 | 938,808,444 | 12 | 842 | .009016720 |
| F1 | 995,499,491 | 0.9343 | 1,065,503,041 | 9 | 311 | .052916853 |
| F1 | 876,570,069 | 0.9201 | 952,690,000 | 8 | 101 | .006370380 |
| F1 | 1,024,695,043 | 0.9957 | 1,029,120,260 | 6 | 43 | .002209752 |
| L1 | 259,276,815 | 1.0946 | 236,869,007 | 7 | 1,598 | .029451773 |
| L1 | 245,520,094 | 0.9836 | 249,613,760 | 7 | 251 | .035528522 |
| L1 | 258,336,547 | 0.8059 | 320,556,579 | 6 | 80 | .183883056 |
| L1 | 225,423,902 | 1.0543 | 213,813,812 | 5 | 20 | .004042622 |
| Random Totals: | 22,196,088,189 | 22,644,144,725 | 423 | 67,543 | ||
| Catg D1 Exception Values: | 2,005,929 | 1,647,265 | ||||
| Total Test Values (4): | 22,198,094,118 | 22,645,791,990 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,132,289,600 |
Confidence Interval Values (5)
| State Lower Limit: | 21,513,502,390 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 22,198,094,118 | (Within Confidence Interval) |
| State Upper Limit: | 23,778,081,590 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 22,810,257,242 | (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