2006 Confidence Interval Detail
152/Lubbock
152-901/Lubbock ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,095,068,585 | 0.9584 | 1,142,600,777 | 64 | 17,692 | .016121180 |
| A | 1,094,976,591 | 0.9627 | 1,137,401,673 | 64 | 11,301 | .009394205 |
| A | 1,095,134,802 | 0.9944 | 1,101,302,094 | 64 | 7,975 | .007946644 |
| A | 1,094,854,443 | 0.9563 | 1,144,885,959 | 64 | 4,062 | .009790471 |
| B | 167,645,149 | 0.8314 | 201,641,988 | 9 | 1,310 | .020869005 |
| B | 168,062,745 | 0.9290 | 180,907,153 | 10 | 510 | .073681944 |
| B | 168,143,742 | 0.8305 | 202,460,857 | 7 | 54 | .058069282 |
| B | 166,465,216 | 1.0149 | 164,021,299 | 5 | 13 | .015005340 |
| F1 | 375,191,642 | 1.0241 | 366,362,310 | 23 | 1,631 | .037733304 |
| F1 | 375,354,327 | 0.8810 | 426,054,855 | 15 | 459 | .186041022 |
| F1 | 377,431,035 | 0.8848 | 426,572,146 | 14 | 158 | .026235766 |
| F1 | 370,919,190 | 0.8837 | 419,734,288 | 10 | 33 | .019136524 |
| L1 | 203,160,538 | 0.9408 | 215,944,449 | 7 | 2,094 | .009685704 |
| L1 | 203,159,523 | 0.9837 | 206,525,895 | 7 | 304 | .000424433 |
| L1 | 207,004,669 | 1.0136 | 204,227,179 | 6 | 88 | .004915528 |
| L1 | 198,722,123 | 0.9878 | 201,176,476 | 5 | 19 | .000130862 |
| Random Totals: | 7,361,294,320 | 7,741,819,398 | 374 | 47,703 | ||
| Catg D1 Exception Values: | 2,506,760 | 1,548,700 | ||||
| Total Test Values (4): | 7,363,801,080 | 7,743,368,098 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 387,168,405 |
Confidence Interval Values (5)
| State Lower Limit: | 7,356,199,693 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 7,363,801,080 | (Within Confidence Interval) |
| State Upper Limit: | 8,130,536,503 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 7,431,976,455 | (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