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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 | 1.0208 | 26,668,848 | 15 | 159 | .037447838 |
| A | 30,410,670 | 0.9522 | 31,937,272 | 15 | 91 | .042859667 |
| E | 35,370,818 | 0.8906 | 39,715,717 | 20 | 616 | .013141207 |
| F1 | 10,420,290 | 1.0116 | 10,300,801 | 9 | 88 | .060127574 |
| F1 | 5,352,920 | 0.9378 | 5,707,955 | 8 | 20 | .005927530 |
| F1 | 5,872,000 | 0.9634 | 6,095,080 | 5 | 8 | .020010916 |
| F1 | 11,631,260 | 0.9534 | 12,199,769 | 2 | 4 | .000356652 |
| L1 | 3,905,940 | 1.0126 | 3,857,338 | 7 | 15 | .000493839 |
| L1 | 798,220 | 0.9893 | 806,853 | 3 | 1 | .000032556 |
| Random Totals: | 186,893,218 | 215,648,196 | 114 | 1,659 | ||
| Catg D1 Exception Values: | 11,620,380 | 13,513,962 | ||||
| Catg L1 Exception Values: | 58,716,940 | 58,991,800 | ||||
| Total Test Values (4): | 257,230,538 | 288,153,958 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 14,407,697 |
Confidence Interval Values (5)
| Local Test Value: | 257,230,538 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 273,746,261 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 302,561,655 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 276,189,509 | (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