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072/Erath
2017 Confidence Interval Detail
072/Erath
072-902/Dublin ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 20,018,850 | 1.0209 | 19,609,021 | 12 | 539 | .037843730 |
| A | 21,920,090 | 0.9615 | 22,797,806 | 11 | 338 | .021153774 |
| A | 22,364,280 | 0.9244 | 24,193,293 | 11 | 226 | .042493378 |
| A | 25,102,050 | 0.9410 | 26,675,930 | 20 | 156 | .038803280 |
| E | 130,634,400 | 0.9965 | 131,093,226 | 15 | 1,108 | .032761790 |
| F1 | 6,223,990 | 0.9415 | 6,610,717 | 13 | 85 | .055572622 |
| F1 | 5,206,630 | 0.8505 | 6,121,846 | 8 | 25 | .032968308 |
| F1 | 8,125,350 | 0.9006 | 9,022,152 | 6 | 19 | .010372323 |
| F1 | 6,993,390 | 0.9221 | 7,584,199 | 3 | 6 | .002330272 |
| Random Totals: | 246,589,030 | 253,708,190 | 99 | 2,502 | ||
| Catg J Exception Values: | 1,700,630 | 2,508,942 | ||||
| Catg D1 Exception Values: | 17,954,770 | 12,042,714 | ||||
| Total Test Values (4): | 266,244,430 | 268,259,846 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 13,412,992 |
Confidence Interval Values (5)
| State Lower Limit: | 254,846,854 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 266,244,430 | (Within Confidence Interval) |
| State Upper Limit: | 281,672,838 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 305,328,379 | (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