2007 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 | 3,601,682,267 | 0.9981 | 3,608,538,490 | 75 | 23,837 | .001007472 |
| A | 3,601,742,937 | 0.9998 | 3,602,463,430 | 74 | 16,993 | .000647771 |
| A | 3,602,063,043 | 0.9966 | 3,614,351,839 | 74 | 12,021 | .001024187 |
| A | 3,600,922,834 | 1.0046 | 3,584,434,436 | 73 | 6,489 | .003482101 |
| B | 336,597,230 | 0.6983 | 482,023,815 | 7 | 120 | .176084632 |
| B | 332,444,886 | 0.5876 | 565,767,335 | 5 | 19 | .167684913 |
| B | 336,737,155 | 0.6923 | 486,403,517 | 5 | 14 | .057154396 |
| B | 303,079,322 | 0.7903 | 383,499,079 | 4 | 9 | .016080348 |
| C | 131,840,361 | 1.0022 | 131,550,949 | 18 | 1,913 | .013631327 |
| C | 131,998,418 | 1.0160 | 129,919,703 | 27 | 559 | .003555325 |
| C | 131,415,488 | 1.0763 | 122,099,311 | 7 | 168 | .016574963 |
| C | 131,590,686 | 1.0252 | 128,356,112 | 6 | 62 | .005966036 |
| F1 | 857,953,208 | 0.9770 | 878,150,673 | 7 | 786 | .003829674 |
| F1 | 862,470,914 | 0.9627 | 895,887,518 | 7 | 254 | .001812954 |
| F1 | 853,723,956 | 0.9063 | 941,988,256 | 7 | 95 | .013719504 |
| F1 | 857,275,777 | 0.9712 | 882,697,464 | 6 | 34 | .006967214 |
| L1 | 223,085,319 | 1.1311 | 197,228,644 | 7 | 1,328 | .026844522 |
| L1 | 222,935,916 | 1.0943 | 203,724,679 | 7 | 230 | .015284624 |
| L1 | 223,030,908 | 0.9371 | 238,001,182 | 8 | 69 | .053382958 |
| L1 | 221,901,479 | 1.0262 | 216,236,093 | 5 | 19 | .001328811 |
| Random Totals: | 20,564,492,104 | 21,293,322,525 | 429 | 65,019 | ||
| Catg D1 Exception Values: | 1,492,426 | 1,243,014 | ||||
| Total Test Values (4): | 20,565,984,530 | 21,294,565,539 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,064,728,277 |
Confidence Interval Values (5)
| State Lower Limit: | 20,229,837,262 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 20,565,984,530 | (Within Confidence Interval) |
| State Upper Limit: | 22,359,293,816 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 21,575,056,616 | (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