2007 Confidence Interval Detail
020/Brazoria
020-904/Danbury ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 22,508,436 | 0.8753 | 25,715,110 | 13 | 302 | .057510255 |
| A | 22,600,730 | 0.9780 | 23,109,131 | 13 | 210 | .027450147 |
| A | 22,699,689 | 0.9911 | 22,903,530 | 13 | 156 | .006471125 |
| A | 22,190,865 | 0.9985 | 22,224,201 | 14 | 97 | .002508909 |
| D3 | 28,941,111 | 0.8923 | 32,434,283 | 25 | 1,043 | .087322809 |
| F1 | 2,206,226 | 1.0869 | 2,029,833 | 5 | 16 | .134814793 |
| F1 | 1,923,420 | 0.8011 | 2,400,974 | 4 | 6 | .063167142 |
| F1 | 2,207,809 | 0.9725 | 2,270,241 | 2 | 3 | .007945432 |
| G1 | 6,688,980 | 0.9604 | 6,964,786 | 12 | 26 | .448203437 |
| L1 | 1,416,624 | 0.9847 | 1,438,635 | 6 | 20 | .002902088 |
| L1 | 3,730,273 | 0.9623 | 3,876,414 | 6 | 8 | .005135066 |
| Random Totals: | 137,114,163 | 145,367,138 | 113 | 1,887 | ||
| Catg J Exception Values: | 6,062,180 | 5,903,300 | ||||
| Catg D1 Exception Values: | 3,483,641 | 3,654,229 | ||||
| Catg F1 Exception Values: | 5,065,250 | 5,475,339 | ||||
| Catg G1 Exception Values: | 2,833,300 | 2,820,201 | ||||
| Catg L1 Exception Values: | 5,410,660 | 5,668,270 | ||||
| Total Test Values (4): | 159,969,194 | 168,888,477 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 8,444,424 |
Confidence Interval Values (5)
| Local Test Value: | 159,969,194 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 160,444,053 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 177,332,901 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 158,894,603 | (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