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227/Travis
2016 Confidence Interval Detail
227/Travis
227-910/Del Valle ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 214,169,275 | 0.8536 | 250,901,213 | 39 | 2,233 | .037077294 |
| A | 311,903,359 | 0.9236 | 337,703,940 | 80 | 2,341 | .005251435 |
| A | 450,426,890 | 0.9681 | 465,268,970 | 120 | 2,879 | .010768919 |
| A | 670,292,944 | 0.9946 | 673,932,178 | 128 | 3,011 | .010764283 |
| B | 124,668,211 | 0.9307 | 133,951,016 | 9 | 67 | .013132986 |
| B | 64,009,996 | 1.0316 | 62,049,240 | 5 | 4 | .006701683 |
| B | 161,845,707 | 1.0462 | 154,698,630 | 3 | 7 | .003634802 |
| B | 144,805,914 | 0.9944 | 145,621,394 | 2 | 4 | .000514044 |
| F1 | 246,737,260 | 0.9898 | 249,279,915 | 11 | 202 | .000990856 |
| F1 | 196,588,810 | 0.9956 | 197,457,624 | 9 | 41 | .000605766 |
| F1 | 384,793,213 | 0.9760 | 394,255,341 | 7 | 35 | .041881164 |
| F1 | 365,949,092 | 1.0622 | 344,519,951 | 5 | 11 | .000881366 |
| L1 | 163,932,572 | 1.0313 | 158,957,211 | 10 | 300 | .035760261 |
| L1 | 181,551,925 | 0.9632 | 188,488,294 | 8 | 64 | .062206037 |
| L1 | 171,324,989 | 0.9470 | 180,913,399 | 7 | 24 | .025619639 |
| L1 | 150,023,040 | 0.9622 | 155,916,691 | 4 | 7 | .001727331 |
| Random Totals: | 4,003,023,197 | 4,093,915,007 | 447 | 11,230 | ||
| Catg D1 Exception Values: | 7,328,768 | 8,951,742 | ||||
| Total Test Values (4): | 4,010,351,965 | 4,102,866,749 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 205,143,337 |
Confidence Interval Values (5)
| State Lower Limit: | 3,897,723,412 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 4,010,351,965 | (Within Confidence Interval) |
| State Upper Limit: | 4,308,010,086 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 4,455,451,839 | (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