2007 Confidence Interval Detail
152/Lubbock
152-901/Lubbock ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,149,778,045 | 0.9222 | 1,246,777,321 | 75 | 17,891 | .048089677 |
| A | 1,149,538,060 | 0.9754 | 1,178,529,895 | 75 | 11,600 | .009774313 |
| A | 1,149,684,047 | 0.9887 | 1,162,823,958 | 75 | 8,150 | .013250815 |
| A | 1,149,467,205 | 0.9375 | 1,226,098,352 | 74 | 4,096 | .025856700 |
| B | 179,881,510 | 0.9094 | 197,802,408 | 80 | 1,494 | .067057927 |
| B | 182,117,329 | 1.1052 | 164,782,238 | 7 | 366 | .073336812 |
| B | 180,102,827 | 0.9733 | 185,043,488 | 6 | 37 | .006962502 |
| B | 176,561,832 | 0.9606 | 183,803,698 | 4 | 7 | .004337128 |
| F1 | 420,345,568 | 0.9317 | 451,159,781 | 32 | 1,649 | .038627010 |
| F1 | 420,750,261 | 1.0341 | 406,875,796 | 7 | 449 | .017091451 |
| F1 | 420,302,854 | 1.0017 | 419,589,552 | 7 | 151 | .007553060 |
| F1 | 417,849,455 | 0.9449 | 442,215,531 | 6 | 34 | .006217191 |
| L1 | 217,177,523 | 1.0600 | 204,884,456 | 7 | 2,303 | .005387545 |
| L1 | 217,126,082 | 0.9915 | 218,987,476 | 7 | 366 | .000466781 |
| L1 | 217,316,974 | 0.9902 | 219,467,758 | 7 | 118 | .001515819 |
| L1 | 216,862,213 | 0.9938 | 218,215,147 | 6 | 30 | .000701044 |
| Random Totals: | 7,864,861,785 | 8,127,056,855 | 475 | 48,741 | ||
| Catg D1 Exception Values: | 3,357,274 | 2,257,580 | ||||
| Total Test Values (4): | 7,868,219,059 | 8,129,314,435 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 406,465,722 |
Confidence Interval Values (5)
| State Lower Limit: | 7,722,848,713 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 7,868,219,059 | (Within Confidence Interval) |
| State Upper Limit: | 8,535,780,157 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 7,989,157,138 | (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