2009 Confidence Interval Detail
251/Yoakum
251-901/Denver City ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 15,872,591 | 0.5182 | 30,630,241 | 15 | 652 | .294398438 |
| A | 16,418,320 | 0.5381 | 30,511,652 | 7 | 381 | .372229250 |
| A | 15,954,560 | 0.5563 | 28,679,777 | 13 | 238 | .070953540 |
| A | 16,941,643 | 0.6705 | 25,267,178 | 7 | 137 | .024678887 |
| G1 | 182,144,131 | 1.0123 | 179,930,980 | 3 | 4 | .014020290 |
| Random Totals: | 247,331,245 | 295,019,828 | 45 | 1,412 | ||
| Catg D1 Exception Values: | 14,936,582 | 24,146,815 | ||||
| Catg G1 Exception Values: | 1,953,532,681 | 1,916,556,814 | ||||
| Total Test Values (4): | 2,215,800,508 | 2,235,723,457 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 111,786,173 |
Confidence Interval Values (5)
| State Lower Limit: | 2,123,937,284 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,215,800,508 | (Within Confidence Interval) |
| State Upper Limit: | 2,347,509,630 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,658,233,782 | (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