2009 Confidence Interval Detail
046/Comal
046-902/Comal ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,362,563,912 | 0.9703 | 1,404,270,753 | 50 | 9,581 | .023016174 |
| A | 1,337,520,814 | 0.9862 | 1,356,236,883 | 51 | 5,373 | .012672528 |
| A | 1,345,368,596 | 1.0024 | 1,342,147,442 | 49 | 3,796 | .024821283 |
| A | 1,430,490,058 | 0.9808 | 1,458,493,126 | 49 | 2,662 | .018066356 |
| C | 248,772,718 | 0.9225 | 269,672,323 | 48 | 9,650 | .038239499 |
| C | 225,782,128 | 0.9375 | 240,834,270 | 39 | 3,497 | .046307948 |
| C | 243,452,847 | 0.9886 | 246,260,213 | 24 | 2,460 | .019262056 |
| C | 248,895,232 | 0.9547 | 260,705,176 | 15 | 950 | .029914410 |
| D3 | 370,069,477 | 0.9539 | 387,954,164 | 17 | 6,943 | .067342908 |
| F1 | 183,588,358 | 0.9852 | 186,346,283 | 10 | 639 | .002467055 |
| F1 | 174,920,071 | 1.0153 | 172,284,124 | 7 | 224 | .044854017 |
| F1 | 180,267,777 | 1.0143 | 177,726,291 | 7 | 115 | .007975320 |
| F1 | 220,955,628 | 0.8781 | 251,629,231 | 7 | 47 | .018105121 |
| L1 | 74,143,620 | 1.0135 | 73,156,014 | 7 | 815 | .017289721 |
| L1 | 91,402,030 | 0.9581 | 95,399,259 | 7 | 166 | .013028536 |
| L1 | 113,754,870 | 1.0377 | 109,622,116 | 6 | 60 | .002901234 |
| Random Totals: | 7,851,948,136 | 8,032,737,668 | 393 | 46,978 | ||
| Catg D1 Exception Values: | 16,709,436 | 13,231,903 | ||||
| Catg L1 Exception Values: | 83,038,160 | 76,318,914 | ||||
| Total Test Values (4): | 7,951,695,732 | 8,122,288,485 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 406,114,424 |
Confidence Interval Values (5)
| State Lower Limit: | 7,716,174,061 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 7,951,695,732 | (Within Confidence Interval) |
| State Upper Limit: | 8,528,402,909 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 8,511,934,942 | (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