2008 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 | 1,208,230 | 1.0572 | 1,142,858 | 7 | 66 | .141335887 |
| A | 968,270 | 0.9613 | 1,007,251 | 5 | 14 | .000301354 |
| A | 1,463,300 | 0.9313 | 1,571,244 | 5 | 12 | .007445463 |
| C | 2,361,720 | 0.9597 | 2,460,894 | 17 | 1,276 | .169067087 |
| C | 10,200 | 0.9650 | 10,570 | 4 | 5 | .000001492 |
| C | 1,057,450 | 0.9896 | 1,068,563 | 15 | 336 | .056093306 |
| C | 1,058,470 | 1.0448 | 1,013,084 | 16 | 147 | .102114017 |
| D3 | 8,685,720 | 0.9515 | 9,128,450 | 20 | 1,436 | .005526946 |
| Random Totals: | 16,813,360 | 17,402,914 | 89 | 3,292 | ||
| Catg J Exception Values: | 8,251,013 | 8,229,171 | ||||
| Catg D1 Exception Values: | 7,231,100 | 8,304,639 | ||||
| Catg A Exception Values: | 1,046,850 | 1,082,900 | ||||
| Total Test Values (4): | 33,342,323 | 35,019,624 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,750,981 |
Confidence Interval Values (5)
| State Lower Limit: | 33,268,643 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 33,342,323 | (Within Confidence Interval) |
| State Upper Limit: | 36,770,605 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 34,733,315 | (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