2010 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 | 2,047,877 | 0.9876 | 2,073,590 | 20 | 179 | .029316970 |
| G1 | 2,034,292 | 1.0251 | 1,984,482 | 15 | 21 | .119389316 |
| Random Totals: | 4,082,169 | 4,058,072 | 35 | 200 | ||
| Catg J Exception Values: | 712,523 | 730,761 | ||||
| Catg D1 Exception Values: | 1,907,100 | 3,550,878 | ||||
| Catg G1 Exception Values: | 1,627,324 | 1,700,596 | ||||
| Total Test Values (4): | 8,329,116 | 10,040,307 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 502,015 |
Confidence Interval Values (5)
| Local Test Value: | 8,329,116 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 9,538,292 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 10,542,322 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 9,744,290 | (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