2009 Confidence Interval Detail
233/Val Verde
233-901/San Felipe-Del Rio CISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 232,744,340 | 0.9113 | 255,398,156 | 22 | 5,051 | .161562246 |
| A | 224,754,290 | 0.9520 | 236,086,439 | 18 | 2,486 | .021440654 |
| A | 247,875,970 | 0.9584 | 258,635,194 | 28 | 1,900 | .011595784 |
| A | 257,239,210 | 0.9666 | 266,127,881 | 28 | 1,208 | .017607265 |
| F1 | 60,431,258 | 0.9560 | 63,212,613 | 16 | 485 | .027106150 |
| F1 | 57,224,380 | 0.9822 | 58,261,434 | 14 | 134 | .000082254 |
| F1 | 64,246,660 | 0.9572 | 67,119,369 | 15 | 50 | .002091810 |
| L1 | 36,639,540 | 1.1338 | 32,315,699 | 7 | 424 | .025836447 |
| L1 | 29,630,140 | 1.0414 | 28,452,218 | 6 | 54 | .006282841 |
| L1 | 33,589,400 | 0.9947 | 33,768,372 | 6 | 11 | .000379554 |
| L1 | 9,103,170 | 1.0523 | 8,650,736 | 2 | 1 | .005872332 |
| Random Totals: | 1,253,478,358 | 1,308,028,111 | 162 | 11,804 | ||
| Catg D1 Exception Values: | 8,830,069 | 10,788,333 | ||||
| Catg F1 Exception Values: | 58,118,810 | 58,041,903 | ||||
| Total Test Values (4): | 1,320,427,237 | 1,376,858,347 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 68,842,917 |
Confidence Interval Values (5)
| State Lower Limit: | 1,308,015,430 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,320,427,237 | (Within Confidence Interval) |
| State Upper Limit: | 1,445,701,264 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,358,826,450 | (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