2008 Confidence Interval Detail
152/Lubbock
152-906/Lubbock-Cooper ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 223,439,612 | 0.9588 | 233,040,897 | 65 | 1,988 | .017999708 |
| A | 239,202,707 | 1.0067 | 237,610,715 | 65 | 1,362 | .005252243 |
| A | 205,043,580 | 0.9842 | 208,335,277 | 43 | 802 | .009164788 |
| A | 278,648,406 | 1.0016 | 278,203,281 | 33 | 647 | .005825256 |
| F1 | 23,482,088 | 1.0882 | 21,578,835 | 7 | 184 | .110535291 |
| F1 | 24,467,274 | 1.0949 | 22,346,583 | 6 | 56 | .074605135 |
| F1 | 30,392,612 | 1.1732 | 25,905,738 | 5 | 26 | .027220149 |
| F1 | 22,090,934 | 1.2831 | 17,216,845 | 3 | 6 | .009413806 |
| Random Totals: | 1,046,767,213 | 1,044,238,171 | 227 | 5,071 | ||
| Catg D1 Exception Values: | 21,644,604 | 15,467,559 | ||||
| Total Test Values (4): | 1,068,411,817 | 1,059,705,730 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 52,985,287 |
Confidence Interval Values (5)
| State Lower Limit: | 1,006,720,443 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,068,411,817 | (Within Confidence Interval) |
| State Upper Limit: | 1,112,691,017 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,223,073,339 | (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