2009 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 | 1,421,400 | 1.0000 | 1,421,400 | 6 | 67 | .014779264 |
| A | 1,173,860 | 0.9716 | 1,208,172 | 5 | 15 | .000073582 |
| A | 1,348,350 | 1.2274 | 1,098,542 | 7 | 10 | .001010732 |
| A | 1,050,170 | 1.0631 | 987,837 | 3 | 4 | .000114670 |
| C | 2,355,940 | 0.9915 | 2,376,137 | 13 | 1,272 | .012504502 |
| C | 809,440 | 0.9933 | 814,900 | 13 | 266 | .000002163 |
| C | 904,850 | 0.9933 | 910,953 | 12 | 123 | .000030807 |
| D3 | 9,654,320 | 0.9845 | 9,806,318 | 20 | 1,576 | .000411920 |
| Random Totals: | 18,718,330 | 18,624,259 | 79 | 3,333 | ||
| Catg J Exception Values: | 8,890,278 | 9,252,108 | ||||
| Catg D1 Exception Values: | 7,224,810 | 9,031,262 | ||||
| Catg C Exception Values: | 10,200 | 10,262 | ||||
| Total Test Values (4): | 34,843,618 | 36,917,891 |
Margin of Error
| Margin of Error Percent: | 5.0000012 |
|---|---|
| Margin of Error Value: | 1,845,895 |
Confidence Interval Values (5)
| Local Test Value: | 34,843,618 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 35,071,996 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 38,763,786 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 35,833,415 | (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