2009 Confidence Interval Detail
221/Taylor
221-904/Merkel ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 17,043,898 | 0.9736 | 17,506,058 | 9 | 643 | .002255280 |
| A | 17,165,451 | 0.9430 | 18,203,023 | 8 | 344 | .001122394 |
| A | 17,329,655 | 0.9747 | 17,779,476 | 10 | 227 | .000812798 |
| A | 17,359,660 | 0.9373 | 18,520,922 | 8 | 139 | .002589113 |
| D3 | 29,295,199 | 1.0078 | 29,068,465 | 20 | 1,889 | .064380749 |
| F1 | 6,274,021 | 0.9315 | 6,735,396 | 7 | 95 | .072741299 |
| F1 | 5,926,337 | 0.9836 | 6,025,149 | 7 | 28 | .026582407 |
| F1 | 5,161,714 | 0.9796 | 5,269,206 | 4 | 10 | .014583454 |
| L1 | 8,270,831 | 1.0077 | 8,207,632 | 6 | 63 | .002270075 |
| L1 | 10,363,749 | 1.0783 | 9,611,193 | 5 | 16 | .002821795 |
| L1 | 7,191,574 | 1.0666 | 6,742,522 | 2 | 3 | .007264472 |
| Random Totals: | 141,382,089 | 143,669,042 | 86 | 3,457 | ||
| Catg J Exception Values: | 14,986,717 | 15,269,200 | ||||
| Catg D1 Exception Values: | 9,432,980 | 9,220,498 | ||||
| Catg F1 Exception Values: | 4,042,427 | 3,956,142 | ||||
| Catg L1 Exception Values: | 21,505,158 | 22,257,112 | ||||
| Total Test Values (4): | 191,349,371 | 194,371,994 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 9,718,600 |
Confidence Interval Values (5)
| State Lower Limit: | 184,653,394 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 191,349,371 | (Within Confidence Interval) |
| State Upper Limit: | 204,090,594 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 349,847,828 | (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