2011 Confidence Interval Detail
026/Burleson
026-902/Somerville ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 15,523,214 | 0.8087 | 19,195,269 | 18 | 762 | .107810558 |
| A | 14,863,652 | 0.9075 | 16,378,680 | 18 | 361 | .052468599 |
| A | 15,192,676 | 0.9676 | 15,701,401 | 18 | 246 | .042401171 |
| A | 15,252,541 | 0.9961 | 15,312,259 | 17 | 146 | .087858577 |
| C | 2,603,223 | 0.8493 | 3,065,140 | 15 | 1,249 | .261690696 |
| C | 2,840,443 | 0.8419 | 3,373,848 | 16 | 982 | .222153921 |
| C | 2,771,936 | 1.1064 | 2,505,365 | 15 | 665 | .222015682 |
| C | 3,169,246 | 0.9562 | 3,314,417 | 15 | 252 | .227979118 |
| D3 | 47,902,905 | 1.0052 | 47,655,098 | 20 | 2,182 | .045245092 |
| F1 | 3,109,245 | 0.8795 | 3,535,242 | 11 | 61 | .076575309 |
| F1 | 3,038,688 | 0.8643 | 3,515,779 | 10 | 21 | .166000713 |
| F1 | 3,357,141 | 0.9818 | 3,419,374 | 7 | 12 | .049196810 |
| F1 | 3,390,730 | 0.8613 | 3,936,758 | 3 | 6 | .014948915 |
| G1 | 4,284,730 | 0.9789 | 4,377,087 | 8 | 31 | .015693951 |
| G1 | 4,337,300 | 1.0296 | 4,212,607 | 5 | 10 | .033101119 |
| G1 | 5,241,090 | 1.0125 | 5,176,385 | 3 | 4 | .004911481 |
| Random Totals: | 146,878,760 | 154,674,709 | 199 | 6,990 | ||
| Catg J Exception Values: | 1,809,970 | 1,944,020 | ||||
| Catg D1 Exception Values: | 4,309,028 | 2,969,690 | ||||
| Catg G1 Exception Values: | 2,327,180 | 2,223,277 | ||||
| Total Test Values (4): | 155,324,938 | 161,811,696 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 8,090,585 |
Confidence Interval Values (5)
| State Lower Limit: | 153,721,111 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 155,324,938 | (Within Confidence Interval) |
| State Upper Limit: | 169,902,281 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 198,796,672 | (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