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Lubbock County
2023 Confidence Interval Detail
Lubbock County
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 | 901,353,109 | 0.9945 | 906,337,968 | 75 | 4,053 | 0.004638795 |
| A | 1,191,274,930 | 0.9942 | 1,198,224,633 | 70 | 3,725 | 0.006013013 |
| A | 1,168,188,973 | 0.9946 | 1,174,531,443 | 73 | 2,488 | 0.007893182 |
| A | 1,403,734,344 | 0.9675 | 1,450,888,211 | 75 | 1,699 | 0.015533190 |
| F1 | 157,420,604 | 1.0205 | 154,258,309 | 10 | 301 | 0.005159545 |
| F1 | 154,051,952 | 1.0124 | 152,165,105 | 12 | 131 | 0.004102901 |
| F1 | 183,291,491 | 1.0550 | 173,736,010 | 9 | 71 | 0.011457187 |
| F1 | 173,450,456 | 1.0554 | 164,345,704 | 6 | 18 | 0.012994404 |
| Random Totals: | 5,332,765,859 | 5,374,487,383 | 330 | 12,486 | ||
| CATG D1 EXCEPTION VALUES: | 9,520,887 | 13,117,018 | ||||
| Total Test Values | 5,342,286,746 | 5,387,604,401 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 269,380,220 |
Confidence Interval Values(5)
| Local Test Value: | 5,342,286,746 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 5,118,224,181 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 5,656,984,621 | (State Test Value plus Margin of Error Percent) |
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, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values