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070/Ellis
2018 Confidence Interval Detail
070/Ellis
070-901/Avalon ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,058,300 | 0.8841 | 2,328,130 | 10 | 51 | .064402835 |
| A | 2,129,515 | 1.0073 | 2,114,082 | 10 | 30 | .025329560 |
| A | 2,610,840 | 0.8264 | 3,159,293 | 8 | 27 | .049109016 |
| A | 3,287,940 | 0.9147 | 3,594,556 | 7 | 19 | .028700938 |
| E | 18,651,866 | 0.8127 | 22,950,493 | 14 | 255 | .150089960 |
| Random Totals: | 28,738,461 | 34,146,554 | 49 | 382 | ||
| Catg D1 Exception Values: | 6,544,692 | 5,211,398 | ||||
| Total Test Values (4): | 35,283,153 | 39,357,952 |
Margin of Error
| Margin of Error Percent: | 11.9510995 |
|---|---|
| Margin of Error Value: | 4,703,708 |
Confidence Interval Values (5)
| State Lower Limit: | 34,654,244 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 35,283,153 | (Within Confidence Interval) |
| State Upper Limit: | 44,061,660 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 37,957,044 | (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