2008 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 | 20,059,691 | 0.9221 | 21,754,355 | 15 | 389 | .049896495 |
| A | 19,515,777 | 0.9269 | 21,054,889 | 15 | 210 | .020868791 |
| A | 19,799,753 | 0.8836 | 22,408,050 | 15 | 153 | .054831028 |
| A | 21,069,636 | 0.9979 | 21,113,975 | 16 | 95 | .031928770 |
| D3 | 18,333,162 | 0.9477 | 19,344,900 | 21 | 858 | .114861035 |
| F1 | 2,223,408 | 0.9243 | 2,405,505 | 6 | 45 | .005519682 |
| F1 | 2,673,905 | 0.9531 | 2,805,482 | 5 | 16 | .013873837 |
| F1 | 3,101,732 | 0.9725 | 3,189,442 | 3 | 7 | .002609567 |
| G1 | 4,041,432 | 0.9941 | 4,065,418 | 3 | 5 | .000063647 |
| L1 | 10,889,570 | 0.9240 | 11,785,249 | 6 | 50 | .027543680 |
| L1 | 13,475,627 | 1.0403 | 12,953,597 | 4 | 8 | .012288211 |
| L1 | 13,336,043 | 1.0037 | 13,286,882 | 2 | 3 | .000038948 |
| Random Totals: | 148,519,736 | 156,167,744 | 111 | 1,839 | ||
| Catg D1 Exception Values: | 28,318,206 | 20,942,318 | ||||
| Catg F1 Exception Values: | 2,394,033 | 2,237,035 | ||||
| Catg G1 Exception Values: | 12,690,638 | 12,403,699 | ||||
| Catg L1 Exception Values: | 7,189,000 | 7,189,000 | ||||
| Total Test Values (4): | 199,111,613 | 198,939,796 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 9,946,990 |
Confidence Interval Values (5)
| State Lower Limit: | 188,992,806 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 199,111,613 | (Within Confidence Interval) |
| State Upper Limit: | 208,886,786 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 198,099,804 | (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
