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227/Travis
2016 Confidence Interval Detail
227/Travis
227-901/Austin ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 13,660,725,745 | 0.9404 | 14,526,505,471 | 1,011 | 58,170 | .017855869 |
| A | 13,661,313,010 | 0.9688 | 14,101,272,719 | 993 | 38,462 | .011336511 |
| A | 13,660,406,976 | 0.9694 | 14,091,610,250 | 997 | 26,559 | .009947986 |
| A | 13,660,361,915 | 0.9471 | 14,423,357,528 | 602 | 13,296 | .016988154 |
| B | 4,125,123,072 | 1.0298 | 4,005,751,672 | 10 | 7,420 | .004081883 |
| B | 3,892,798,855 | 1.0132 | 3,842,083,355 | 10 | 272 | .000702669 |
| B | 4,233,041,028 | 1.0152 | 4,169,662,163 | 9 | 124 | .000342874 |
| B | 5,232,720,921 | 1.0115 | 5,173,228,790 | 9 | 77 | .000520314 |
| C1 | 229,679,785 | 0.5986 | 383,694,930 | 28 | 1,817 | .277580278 |
| C1 | 305,865,602 | 0.9008 | 339,548,848 | 16 | 752 | .009744680 |
| C1 | 287,887,045 | 0.7692 | 374,268,129 | 10 | 254 | .203339499 |
| C1 | 319,909,292 | 1.0174 | 314,438,070 | 9 | 57 | .125477593 |
| F1 | 6,346,197,503 | 0.8212 | 7,727,956,044 | 11 | 4,698 | .041949444 |
| F1 | 6,067,226,435 | 0.9987 | 6,075,124,096 | 10 | 927 | .002102333 |
| F1 | 6,823,485,932 | 1.0194 | 6,693,629,519 | 10 | 290 | .010397254 |
| F1 | 7,561,308,522 | 1.0088 | 7,495,349,447 | 9 | 72 | .001766129 |
| L1 | 873,733,322 | 0.9155 | 954,378,287 | 10 | 6,934 | .040084828 |
| L1 | 938,784,248 | 0.9933 | 945,116,529 | 11 | 1,416 | .051727781 |
| L1 | 858,397,190 | 0.9973 | 860,721,137 | 10 | 332 | .002974528 |
| L1 | 897,212,393 | 0.9960 | 900,815,656 | 9 | 86 | .000156686 |
| Random Totals: | 103,636,178,791 | 107,398,512,640 | 3,784 | 162,015 | ||
| Catg J Exception Values: | 3,103,784 | 3,224,325 | ||||
| Catg D1 Exception Values: | 1,480,554 | 972,625 | ||||
| Total Test Values (4): | 103,640,763,129 | 107,402,709,590 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 5,370,135,479 |
Confidence Interval Values (5)
| State Lower Limit: | 102,032,574,111 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 103,640,763,129 | (Within Confidence Interval) |
| State Upper Limit: | 112,772,845,069 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 99,438,350,611 | (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