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090/Gray
2018 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 |
|---|---|---|---|---|---|---|
| E | 4,952,010 | 1.0960 | 4,518,257 | 21 | 53 | .121028298 |
| Random Totals: | 4,952,010 | 4,518,257 | 21 | 53 | ||
| Catg J Exception Values: | 290,030 | 300,123 | ||||
| Catg D1 Exception Values: | 2,813,950 | 3,269,935 | ||||
| Total Test Values (4): | 8,055,990 | 8,088,315 |
Margin of Error
| Margin of Error Percent: | 6.8705163 |
|---|---|
| Margin of Error Value: | 555,709 |
Confidence Interval Values (5)
| State Lower Limit: | 7,532,606 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 8,055,990 | (Within Confidence Interval) |
| State Upper Limit: | 8,644,024 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 28,646,898 | (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, D2, E, 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