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189/Presidio
2016 Confidence Interval Detail
189/Presidio
189-901/Marfa ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 28,464,890 | 0.6807 | 41,817,085 | 15 | 421 | .221864285 |
| A | 27,442,650 | 0.7510 | 36,541,478 | 15 | 236 | .222183045 |
| A | 27,223,560 | 0.9985 | 27,264,457 | 15 | 159 | .031596617 |
| A | 30,410,670 | 0.9413 | 32,307,097 | 15 | 91 | .044771199 |
| E | 36,282,988 | 0.8906 | 40,739,937 | 20 | 619 | .013141207 |
| F1 | 10,420,290 | 0.9462 | 11,012,777 | 9 | 88 | .044783642 |
| F1 | 5,352,920 | 0.9378 | 5,707,955 | 8 | 20 | .005927530 |
| F1 | 5,872,000 | 0.9209 | 6,376,371 | 5 | 8 | .031437869 |
| F1 | 11,631,260 | 0.9440 | 12,321,250 | 2 | 4 | .001524361 |
| L1 | 3,905,940 | 1.0126 | 3,857,338 | 7 | 15 | .000493839 |
| L1 | 798,220 | 0.9893 | 806,853 | 3 | 1 | .000032556 |
| Random Totals: | 187,805,388 | 218,752,598 | 114 | 1,662 | ||
| Catg D1 Exception Values: | 11,589,202 | 13,514,261 | ||||
| Catg L1 Exception Values: | 58,716,940 | 58,991,800 | ||||
| Total Test Values (4): | 258,111,530 | 291,258,659 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 14,562,932 |
Confidence Interval Values (5)
| Local Test Value: | 258,111,530 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 276,695,727 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 305,821,591 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 279,572,607 | (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