2007 Confidence Interval Detail
152/Lubbock
152-910/Idalou ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 18,285,989 | 0.8579 | 21,314,826 | 12 | 340 | .056078991 |
| A | 18,326,664 | 0.9019 | 20,320,062 | 12 | 199 | .048602326 |
| A | 18,312,148 | 0.8410 | 21,774,254 | 12 | 145 | .151711423 |
| A | 18,115,572 | 1.0749 | 16,853,263 | 11 | 89 | .038832035 |
| D3 | 16,643,890 | 0.8786 | 18,943,649 | 20 | 844 | .073536831 |
| F1 | 2,592,374 | 0.8254 | 3,140,749 | 6 | 47 | .048409159 |
| F1 | 2,488,781 | 0.9312 | 2,672,660 | 5 | 13 | .011280795 |
| F1 | 2,471,387 | 0.8679 | 2,847,548 | 3 | 4 | .008551826 |
| G1 | 3,014,206 | 0.9993 | 3,016,317 | 4 | 5 | .007142406 |
| L1 | 11,615,311 | 0.9751 | 11,911,918 | 6 | 79 | .000882957 |
| L1 | 11,893,387 | 0.9690 | 12,273,877 | 5 | 12 | .012220062 |
| L1 | 13,158,644 | 0.9518 | 13,825,009 | 2 | 4 | .004181942 |
| Random Totals: | 136,918,353 | 148,894,132 | 98 | 1,781 | ||
| Catg D1 Exception Values: | 25,526,710 | 16,793,025 | ||||
| Catg F1 Exception Values: | 2,333,130 | 2,231,372 | ||||
| Catg G1 Exception Values: | 9,461,878 | 9,545,976 | ||||
| Catg L1 Exception Values: | 17,528,635 | 17,727,086 | ||||
| Total Test Values (4): | 191,768,706 | 195,191,591 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 9,759,580 |
Confidence Interval Values (5)
| State Lower Limit: | 185,432,011 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 191,768,706 | (Within Confidence Interval) |
| State Upper Limit: | 204,951,171 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 182,188,167 | (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