2009 Confidence Interval Detail
082/Frio
082-902/Dilley ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 6,884,080 | 0.9381 | 7,338,322 | 9 | 346 | .029597535 |
| A | 6,628,540 | 1.0067 | 6,584,424 | 9 | 171 | .019897141 |
| A | 7,276,860 | 0.9577 | 7,598,267 | 8 | 121 | .023227777 |
| A | 7,442,580 | 0.9855 | 7,552,085 | 8 | 68 | .014888346 |
| D3 | 18,964,940 | 0.9834 | 19,285,072 | 20 | 1,428 | .194004973 |
| F1 | 2,445,480 | 0.8771 | 2,788,143 | 6 | 60 | .039743911 |
| F1 | 1,886,770 | 0.9689 | 1,947,332 | 5 | 16 | .081126759 |
| F1 | 3,223,900 | 0.8500 | 3,792,824 | 4 | 10 | .040076254 |
| F1 | 1,828,270 | 1.0486 | 1,743,534 | 2 | 3 | .024787004 |
| G1 | 3,219,490 | 0.9868 | 3,262,556 | 5 | 19 | .016566895 |
| G1 | 3,135,140 | 1.0523 | 2,979,321 | 4 | 9 | .047300913 |
| G1 | 2,896,680 | 1.0991 | 2,635,502 | 3 | 5 | .000612397 |
| G1 | 2,650,180 | 1.0218 | 2,593,639 | 2 | 3 | .009826711 |
| Random Totals: | 68,482,910 | 70,101,021 | 85 | 2,259 | ||
| Catg J Exception Values: | 6,380,489 | 6,690,515 | ||||
| Catg D1 Exception Values: | 16,855,290 | 17,435,596 | ||||
| Total Test Values (4): | 91,718,689 | 94,227,132 |
Margin of Error
| Margin of Error Percent: | 5.0000004 |
|---|---|
| Margin of Error Value: | 4,711,357 |
Confidence Interval Values (5)
| State Lower Limit: | 89,515,775 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 91,718,689 | (Within Confidence Interval) |
| State Upper Limit: | 98,938,489 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 109,057,493 | (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