2008 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 | 13,560,380 | 0.7608 | 17,823,843 | 15 | 760 | .314470306 |
| A | 16,254,040 | 0.9498 | 17,113,119 | 22 | 445 | .099270656 |
| A | 16,834,450 | 0.9527 | 17,670,253 | 21 | 307 | .019290380 |
| A | 24,496,490 | 0.9489 | 25,815,671 | 17 | 259 | .015859855 |
| C | 164,300 | 1.3280 | 123,720 | 12 | 83 | .041793240 |
| C | 79,370 | 1.0133 | 78,328 | 12 | 29 | .167446453 |
| C | 697,160 | 1.2154 | 573,605 | 13 | 179 | .166770953 |
| C | 1,143,620 | 0.9906 | 1,154,472 | 11 | 105 | .056975332 |
| D3 | 29,846,320 | 1.1436 | 26,098,566 | 22 | 1,777 | .056343267 |
| F1 | 1,909,610 | 0.6543 | 2,918,554 | 15 | 60 | .464547606 |
| F1 | 2,720,080 | 0.6066 | 4,484,141 | 12 | 27 | .254509064 |
| F1 | 2,719,090 | 0.7719 | 3,522,594 | 8 | 13 | .100046925 |
| F1 | 2,767,870 | 0.7364 | 3,758,650 | 3 | 6 | .076620058 |
| G1 | 6,922,520 | 0.8571 | 8,076,677 | 12 | 29 | .172901330 |
| G1 | 7,604,940 | 0.9900 | 7,681,758 | 7 | 11 | .006223276 |
| G1 | 6,012,170 | 1.0108 | 5,947,932 | 3 | 4 | .004340123 |
| Random Totals: | 133,732,410 | 142,841,883 | 205 | 4,094 | ||
| Catg J Exception Values: | 9,451,150 | 9,525,742 | ||||
| Catg D1 Exception Values: | 4,406,780 | 2,951,256 | ||||
| Catg G1 Exception Values: | 6,613,100 | 6,625,453 | ||||
| Total Test Values (4): | 154,203,440 | 161,944,334 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 8,097,217 |
Confidence Interval Values (5)
| State Lower Limit: | 153,847,117 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 154,203,440 | (Within Confidence Interval) |
| State Upper Limit: | 170,041,551 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 195,374,564 | (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