2011 Confidence Interval Detail
122/Jeff Davis
122-902/Valentine ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,108,290 | 0.9078 | 1,220,853 | 13 | 53 | .011717081 |
| A | 1,465,640 | 0.9175 | 1,597,428 | 12 | 20 | .003609859 |
| A | 1,227,340 | 0.9762 | 1,257,263 | 7 | 9 | .008530415 |
| A | 1,047,320 | 1.0002 | 1,047,111 | 3 | 4 | .009631303 |
| C | 2,394,830 | 0.9702 | 2,468,388 | 10 | 1,288 | .002433155 |
| C | 10,200 | 0.9651 | 10,569 | 3 | 5 | .000002089 |
| C | 664,860 | 0.9371 | 709,487 | 10 | 226 | .001886563 |
| C | 973,970 | 0.8795 | 1,107,413 | 10 | 141 | .049091244 |
| D3 | 9,447,540 | 0.9601 | 9,840,162 | 26 | 1,618 | .016608588 |
| Random Totals: | 18,339,990 | 19,258,674 | 94 | 3,364 | ||
| Catg J Exception Values: | 11,652,793 | 11,796,536 | ||||
| Catg D1 Exception Values: | 7,237,080 | 6,998,346 | ||||
| Total Test Values (4): | 37,229,863 | 38,053,556 |
Margin of Error
| Margin of Error Percent: | 5.0000005 |
|---|---|
| Margin of Error Value: | 1,902,678 |
Confidence Interval Values (5)
| State Lower Limit: | 36,150,878 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 37,229,863 | (Within Confidence Interval) |
| State Upper Limit: | 39,956,234 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 38,068,995 | (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