2008 Confidence Interval Detail
152/Lubbock
152-909/Shallowater ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 24,619,264 | 0.8259 | 29,809,013 | 16 | 510 | .137503182 |
| A | 30,120,429 | 0.9785 | 30,782,247 | 19 | 316 | .021659185 |
| A | 30,093,780 | 0.9698 | 31,030,914 | 17 | 197 | .005628342 |
| A | 32,987,971 | 0.9543 | 34,567,716 | 17 | 136 | .006914823 |
| D3 | 10,231,887 | 0.9188 | 11,136,142 | 25 | 868 | .073273678 |
| G1 | 16,837,762 | 0.9132 | 18,438,198 | 13 | 29 | .014732805 |
| L1 | 1,230,797 | 0.9606 | 1,281,279 | 7 | 46 | .002739922 |
| L1 | 1,866,394 | 0.9799 | 1,904,678 | 5 | 23 | .001208549 |
| L1 | 1,273,079 | 0.9876 | 1,289,063 | 3 | 4 | .000291955 |
| Random Totals: | 149,261,363 | 160,239,250 | 122 | 2,129 | ||
| Catg D1 Exception Values: | 16,074,797 | 11,511,882 | ||||
| Catg G1 Exception Values: | 19,016,061 | 18,998,320 | ||||
| Catg L1 Exception Values: | 6,458,304 | 6,254,470 | ||||
| Total Test Values (4): | 190,810,525 | 197,003,922 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 9,850,196 |
Confidence Interval Values (5)
| State Lower Limit: | 187,153,726 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 190,810,525 | (Within Confidence Interval) |
| State Upper Limit: | 206,854,118 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 204,234,764 | (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