2009 Confidence Interval Detail
090/Gray
033-901/Groom ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 1,684,406 | 0.6367 | 2,645,525 | 9 | 186 | .341641087 |
| G1 | 2,295,199 | 1.0391 | 2,208,834 | 15 | 21 | .009843300 |
| Random Totals: | 3,979,605 | 4,854,359 | 24 | 207 | ||
| Catg J Exception Values: | 684,799 | 614,635 | ||||
| Catg D1 Exception Values: | 1,874,530 | 2,975,342 | ||||
| Catg G1 Exception Values: | 1,148,243 | 920,604 | ||||
| Total Test Values (4): | 7,687,177 | 9,364,940 |
Margin of Error
| Margin of Error Percent: | 11.1342091 |
|---|---|
| Margin of Error Value: | 1,042,712 |
Confidence Interval Values (5)
| Local Test Value: | 7,687,177 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 8,322,228 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 10,407,652 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 9,112,424 | (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