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070/Ellis
2018 Confidence Interval Detail
070/Ellis
070-905/Ferris ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 52,905,333 | 0.6407 | 82,574,267 | 13 | 948 | .093160132 |
| A | 50,253,313 | 0.8016 | 62,691,259 | 9 | 488 | .050016126 |
| A | 56,151,657 | 0.9441 | 59,476,387 | 19 | 338 | .022474131 |
| A | 126,544,255 | 0.9893 | 127,912,923 | 31 | 503 | .013799998 |
| E | 71,997,830 | 0.9892 | 72,783,896 | 10 | 600 | .014531655 |
| F1 | 4,999,370 | 0.7093 | 7,048,315 | 9 | 45 | .076755448 |
| F1 | 3,896,280 | 0.7222 | 5,395,015 | 8 | 16 | .061197948 |
| F1 | 7,203,420 | 0.7682 | 9,377,011 | 5 | 14 | .039047917 |
| Random Totals: | 373,951,458 | 427,259,073 | 104 | 2,952 | ||
| Catg D1 Exception Values: | 8,347,440 | 6,345,332 | ||||
| Catg F1 Exception Values: | 1,582,330 | 1,992,932 | ||||
| Total Test Values (4): | 383,881,228 | 435,597,337 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 21,779,866 |
Confidence Interval Values (5)
| Local Test Value: | 383,881,228 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 413,817,471 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 457,377,203 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 383,729,422 | (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