2009 Confidence Interval Detail
165/Midland
165-901/Midland ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,110,862,550 | 0.9457 | 1,174,645,818 | 65 | 11,760 | .025472584 |
| A | 1,197,251,110 | 0.9799 | 1,221,809,481 | 75 | 7,516 | .009037855 |
| A | 1,263,112,720 | 0.9761 | 1,294,040,283 | 70 | 5,526 | .005676310 |
| A | 1,226,437,340 | 0.9921 | 1,236,203,346 | 70 | 3,027 | .009458284 |
| B | 76,958,620 | 1.0162 | 75,731,765 | 20 | 224 | .014943344 |
| B | 79,827,580 | 1.0164 | 78,539,532 | 8 | 18 | .006045241 |
| B | 79,014,960 | 1.0854 | 72,798,010 | 4 | 9 | .005585634 |
| B | 78,617,260 | 1.0184 | 77,196,838 | 3 | 5 | .000465884 |
| F1 | 298,757,550 | 0.8297 | 360,079,004 | 38 | 1,611 | .125087351 |
| F1 | 302,869,830 | 0.9434 | 321,040,736 | 12 | 356 | .051894385 |
| F1 | 318,694,900 | 1.0089 | 315,883,537 | 10 | 121 | .007626718 |
| F1 | 341,704,090 | 0.9674 | 353,219,030 | 7 | 37 | .000214573 |
| G1 | 485,847,463 | 1.1249 | 431,902,803 | 9 | 514 | .069748222 |
| G1 | 486,597,501 | 0.9943 | 489,387,007 | 7 | 133 | .002980749 |
| G1 | 482,075,037 | 1.0231 | 471,190,536 | 9 | 41 | .004317646 |
| G1 | 482,982,887 | 1.0299 | 468,960,954 | 4 | 6 | .000511778 |
| L1 | 177,849,830 | 1.0743 | 165,549,502 | 8 | 1,897 | .018722069 |
| L1 | 175,759,020 | 1.0520 | 167,071,312 | 7 | 302 | .006516120 |
| L1 | 187,960,170 | 1.0726 | 175,237,899 | 6 | 96 | .015985642 |
| Random Totals: | 8,853,180,418 | 8,950,487,393 | 432 | 33,199 | ||
| Catg D1 Exception Values: | 10,280,550 | 19,325,669 | ||||
| Catg D3 Exception Values: | 57,520 | 75,000 | ||||
| Catg L1 Exception Values: | 185,235,850 | 28,639,444 | ||||
| Total Test Values (4): | 9,048,754,338 | 8,998,527,506 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 449,926,375 |
Confidence Interval Values (5)
| State Lower Limit: | 8,548,601,131 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 9,048,754,338 | (Within Confidence Interval) |
| State Upper Limit: | 9,448,453,881 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 10,227,067,256 | (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